330516

Appears in sequences

• Expansion of (1+x^4*C)*C^4, where C = (1-(1-4*x)^(1/2))/(2*x) is g.f. for Catalan numbers, A000108.at n=10A071745
• p-INVERT of the odd positive integers, where p(S) = 1 - S - 3 S^2.at n=8A292486