49505
domain: N
Appears in sequences
- Number of loopless multigraphs with 8 nodes and n edges.at n=11A014398
- Denominators of continued fraction convergents to sqrt(770).at n=9A042485
- Numbers k which when sandwiched between two 5's give a multiple of k.at n=13A116440
- p^2-p-1 that is not prime, where p is prime.at n=28A119609
- Numbers n of the form p^2-p-1 = A165900(p), for prime p, such that n^2-n-1 = A165900(n) is also prime.at n=11A237527
- G.f. satisfies A(x) = 1 + x*A(x) + x^6*A(x)^6.at n=17A364523