552552
domain: N
Appears in sequences
- a(n) = (n + 1)*(n + 2)*(n + 4)*(n + 8)*(n + 15)/120.at n=31A006636
- Numbers that can be expressed as the difference of the squares of primes in exactly fourteen distinct ways.at n=1A092010
- 1 + Sum[ Prime[k]^(n-1), {k,1,n}].at n=5A120492
- The number of 1-length gaps in all possible covers of n-length line by 2-length segments.at n=41A228577
- Triangle read by rows, T(n, k) = (-1)^(n-k)*n!*[t^k]([x^n] exp(x*t)/(1 + log(1+x))) for 0<=k<=n.at n=48A291978
- a(n) = Sum_{k=0..n} (k+1) * binomial(k,2*(n-k)).at n=20A391962