519840
domain: N
Appears in sequences
- n^2(n+1)(2n+1)^2(7n+1)/36.at n=9A073351
- Structured truncated dodecahedral numbers.at n=31A100153
- Triangle read by rows: rows = inverse binomial transforms of columns of A309220.at n=42A118980
- Nonnegative integer solutions X to the equation: X(X + 1) - 10*Y^2 = 0.at n=4A132593
- Expansion of psi(-q^3) / psi(-q)^3 in powers of q where psi() is a Ramanujan theta function.at n=29A132974
- a(n) = sinh(2*arccosh(n))^2 = 4*n^2*(n^2 - 1).at n=19A173121
- Triangle read by rows: T(n,m)=A060187(1+n,1+m) *n! / (n-m)!at n=26A177429
- a(n) = 16*n*(n+1)*(2*n+1)^2.at n=9A322677