50917
domain: N
Appears in sequences
- G.f.: -1 + Product_{k>=1} (1 + prime(k)*x^prime(k)).at n=41A002099
- Number of permutations of length n which avoid the patterns 2134, 3241, 3421.at n=10A116763
- Least number k >= 0 such that (n!+k)/(n+k) is prime.at n=13A242568
- Number of nX5 0..1 arrays with every element unequal to 0, 2, 3, 6 or 7 king-move adjacent elements, with upper left element zero.at n=10A305044
- Number of ways to split a strict integer partition of n into contiguous subsequences all having different sums.at n=46A336132