37750

Appears in sequences

• Numbers n such that n | 5^n + 4^n + 3^n.at n=33A057236
• Expansion of series related to Liouville's Last Theorem: g.f. sum_{t>0} (-1)^(t+1) *x^(t*(t+1)/2) / ( (1-x^t)^4 *product_{i=1..t} (1-x^i) ).at n=31A059821
• Number of 5-block ordered bicoverings of an unlabeled n-set.at n=9A060093
• Numbers k = concat(s,t) such that k = (Fibonacci(s) mod k) * (Fibonacci(t) mod k).at n=7A272770
• G.f. A(x) satisfies: A(x - x/(1+x)*A(x)) = x.at n=8A273957
• Triangle T(n,k) read by rows: the number of connected, loopless, non-oriented, vertex-labeled graphs with n >= 0 edges and k >= 1 vertices, allowing multi-edges.at n=49A290776
• Triangle, read by rows, where row n lists coefficients in Product_{k=1..n} (k + x + (n+1-k)*x^2), for n >= 0.at n=40A322229
• Triangle, read by rows, where row n lists coefficients in Product_{k=1..n} (k + x + (n+1-k)*x^2), for n >= 0.at n=44A322229