Sequences

Palindromic in bases 4 and 10.

Palindromic in bases 5 and 10.

Palindromic in bases 6 and 10.

Palindromic in bases 7 and 10.

Palindromic in bases 9 and 10.

Palindromic in bases 10 and 11.

Palindromic in bases 12 and 10.

Palindromic in bases 13 and 10.

Numbers that are palindromic in bases 10 and 14.

Numbers that are palindromic in bases 10 and 15.

Palindromic primes in base 3.

Palindromic primes in base 4.

Primes that are palindromic in base 5.

Primes that are palindromic in base 6.

Primes that are palindromic in base 7.

Palindromic primes in base 8.

Primes that are palindromic in base 9.

Primes that are palindromic in base 11.

Primes that are palindromic in base 12.

Primes that are palindromic in base 13.

Primes that are palindromic in base 14.

Palindromic primes in base 15.

Squares which are palindromes in base 2.

Numbers k such that k^2 is palindromic in base 3.

Squares which are palindromes in base 3.

Numbers k such that k^2 is palindromic in base 4.

Squares which are palindromes in base 4.

Numbers k such that k^2 is palindromic in base 5.

Squares which are palindromes in base 5.

Numbers k such that k^2 is palindromic in base 6.

Squares which are palindromes in base 6.

Numbers k such that k^2 is palindromic in base 7.

Squares which are palindromes in base 7.

Numbers k such that k^2 is palindromic in base 9.

Squares which are palindromes in base 9.

Numbers k such that k^2 is palindromic in base 11.

Squares which are palindromes in base 11.

Numbers k such that k^2 is palindromic in base 13.

Squares which are palindromes in base 13.

a(n) is the smallest nonnegative number k such that the decimal expansion of 2^k contains the string n.

Smallest power of 2 whose decimal expansion contains n.

(prime(n)-5)(prime(n)-7)(prime(n)-9)/48.

a(n) = (prime(n)-3)*(prime(n)-5)*(prime(n)-7)/48.

a(n) = (prime(n) - 1)*(prime(n) - 3)*(prime(n) - 5)/48.

(prime(n)-1)(prime(n)-3)/8.

a(n) = (prime(n)-1)*(prime(n)-5)/12.

a(n) = (prime(n)-3)*(prime(n)-5)/8.

High temperature series for spin-1/2 Ising magnetic susceptibility on 7D simple cubic lattice.

Euler transform of primes.

Inverse Euler transform of primes.