-13409

Appears in sequences

• Expansion of E.g.f. cos(sin(sinh(x))), even powers only.at n=5A009038
• Expansion of Product_{i>=1, j>=1, k>=1} (1 - x^(i*j*k)).at n=51A319359
• Expansion of Sum_{k>0} x^(3*k)/(1+x^k)^4.at n=45A363617