45740

Appears in sequences

• a(0) = 1, a(n) = 42*n^2 + 2 for n>0.at n=33A010023
• Numbers with no 1's in their base-3, base-4, and base-5 expansions. Intersection of A005823, A023709, and A023725.at n=21A117482
• Row sums of triangle A076731.at n=7A193464
• Number of active (ON, black) cells at stage 2^n-1 of the two-dimensional cellular automaton defined by "Rule 561", based on the 5-celled von Neumann neighborhood.at n=7A272936
• Wiener index of the n X n black bishop graph.at n=20A292051
• Array read by ascending antidiagonals, A(m, n) = Sum_{k=1..m}(-1)^(k-n-m)* hypergeom([k, k-n-m], [], 1) for m>=1 and n>=0.at n=37A292898