242082720

Appears in sequences

• a(n) = (5*n + 4)*binomial(n+7,7)/4.at n=28A056125
• a(n) = 1/(Integral_{x=0..1} (x^4 - x^5)^n dx).at n=7A090957
• Triangle T(n, k) = (binomial(n,2))! / (k! * abs(k+1 - binomial(n,2))!), read by rows.at n=43A123146