1582497

Appears in sequences

• p-INVERT of (0,1,0,1,0,1,...), where p(S) = 1 - S - S^2 - S^3 + S^4 + S^5.at n=19A291249
• Expansion of e.g.f. cosh( (exp(3*x) - 1)/sqrt(3) ).at n=8A357662