Sequences

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 93 ones.

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 94 ones.

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 95 ones.

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 96 ones.

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 97 ones.

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 98 ones.

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 99 ones.

Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 100 ones.

Lexically first 6-mark Golomb ruler.

Lexically first 7-mark Golomb ruler.

Lexically first 8-mark Golomb ruler.

Lexically first 9-mark Golomb ruler.

Lexically first 10-mark Golomb ruler.

Lexically first 11-mark Golomb ruler.

Lexically first 12-mark Golomb ruler.

a(n) = Sum_{k=0..n} floor(k^(1/3)).

Nontrivial reversal numbers (numbers which are integer multiples of their reversals), excluding palindromic numbers and multiples of 10.

Maximal number of edges in Hamiltonian path in complete graph on n nodes.

Nonprime lucky numbers.

Lucky numbers that are both palindromic and nonprime.

Lucky numbers that are both palindromic and prime.

Repdigital lucky numbers.

First differences of lucky numbers.

Smaller of a pair of consecutive lucky numbers with a gap of 2n.

Lucky numbers with smallest increasing gaps (upper terms).

Lucky numbers with size of gaps equal to 4 (lower terms).

Lucky numbers with size of gaps equal to 4 (upper terms).

Lucky numbers with size of gaps equal to 6 (lower terms).

Lucky numbers with size of gaps equal to 6 (upper terms).

Lucky numbers with size of gaps equal to 8 (lower terms).

Lucky numbers with size of gaps equal to 8 (upper terms).

Lucky numbers with size of gaps equal to 10 (lower terms).

Lucky numbers with size of gaps equal to 10 (upper terms).

Lucky numbers with size of gaps equal to 12 (lower terms).

Lucky numbers with size of gaps equal to 12 (upper terms).

Lucky numbers with size of gaps equal to 14 (lower terms).

Lucky numbers with size of gaps equal to 14 (upper terms).

Lucky numbers with size of gaps equal to 16 (lower terms).

Lucky numbers with size of gaps equal to 16 (upper terms).

Lucky numbers with size of gaps equal to 18 (lower terms).

Lucky numbers with size of gaps equal to 18 (upper terms).

Lucky numbers with size of gaps equal to 20 (lower terms).

Lucky numbers with size of gaps equal to 20 (upper terms).

a(n) = prime(9*n - 4).

a(n) = prime(10*n - 4).

a(n) = prime(6*n - 5).

a(n) = prime(7*n - 5).

a(n) = prime(8*n - 5).

a(n) = prime(9*n - 5).

a(n) = prime(10*n - 5).