24783

Appears in sequences

• Number of multigraphs with 4 nodes and n edges.at n=34A003082
• a(n) = floor( n*(n-1)*(n-2)*(n-3)/23 ).at n=29A011933
• Numbers n such that (n+j) mod (2+j) = 1 for j from 0 to 5 and (n+6) mod 8 <> 1.at n=29A096024
• G.f.: exp( Sum_{n>=1} (x^n/n)/sqrt(1 - 2*(2*x)^n) ).at n=9A184512
• Expansion of 1 / ((1 - x)^7*(1 + x)^2).at n=16A299335
• Expansion of e.g.f. exp((cosh(x) - cos(x))/2) (even powers only).at n=6A307979
• a(n) = L(n)*a(n-1) + a(n-2) with a(0) = a(1) = 1 and L(n) the Lucas numbers A000032.at n=6A337521