25240
domain: N
Appears in sequences
- The Wiener index of a chain of n squares joined at vertices (i.e., joined like <><><>...<>; here <> is a square!).at n=19A143943
- G.f. satisfies A(x) = (1 + x*A(x)) * (1 + x*A(x)^3).at n=6A198953
- Numbers k such that (265*10^k + 17)/3 is prime.at n=26A272523
- G.f. = Phi^4, where Phi = g.f. for A028930.at n=36A328529