162486
domain: N
Appears in sequences
- McKay-Thompson series of class 21D for Monster.at n=34A058566
- Expansion of (1+x^3*C^2)*C^3, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.at n=10A071732
- McKay-Thompson series of class 21D for the Monster group with a(0) = 2.at n=34A226015
- Number of nonempty subsets of {1..n} whose elements have an odd root mean square.at n=26A357415