-8448

Appears in sequences

• Triangle T(n,k) of arctangent numbers: expansion of arctan(x)^n/n!.at n=16A008309
• Triangle T(n,k) of arctangent numbers: expansion of arctan(x)^n/n!.at n=29A049218
• Riordan array (1-u, u) where u=(-1 + sqrt(1+8*x))/4.at n=28A110292
• Inverse binomial transform of A131800.at n=14A173315
• Expansion of q * (phi(-q^2) * psi(-q)^2)^4 in powers of q where phi(), psi() are Ramanujan theta functions.at n=42A225912