30847

Appears in sequences

• Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 43 ones.at n=1A031811
• Heptanacci-Lucas numbers.at n=15A104621
• Integers i such that 9*i = 25 X i, but 17*i is not 49 X i.at n=36A115811
• a(n) = n^3 + (n+1)*(n+2).at n=31A270109
• Decimal representation of the diagonal from the corner to the origin of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 371", based on the 5-celled von Neumann neighborhood.at n=28A287904
• Numbers x such that x = Sum_{i=1..k} (x mod d_(x+i)) for some k, where d_(x+i) is the aliquot parts of (x+i).at n=14A290469
• Number of integer partitions of n with at least one pair of consecutive divisible parts.at n=39A328221
• Numbers that can be represented in more than one way as p^2+p*q+q^2 with p and q primes, p<=q.at n=26A349987
• a(n) is the maximum number of strong sub-tournaments in an n-tournament.at n=15A386875