55565
domain: N
Appears in sequences
- Numbers k such that 183*2^k+1 is prime.at n=37A032468
- Numbers having four 5's in base 10.at n=29A043512
- Discriminants of real quadratic fields with class number 2 and related continued fraction period length of 23.at n=30A051988
- Expansion of Product_{k>=1} (1+x^k)^A001055(k).at n=46A066806
- Near-repdigit semiprimes with 5 as repeated digit.at n=33A105986
- The number of P-positions in the game of Nim with up to five piles, allowing for piles of zero, such that the total number of objects in all piles is 2n.at n=32A238759
- Numbers which have only digits 5 and 6 in base 10.at n=32A256291
- Binomial(n,4) - A290447(n).at n=51A290461