74220
domain: N
Appears in sequences
- Irregular triangle read by rows: T(n,k) is the number of permutations in S_n having k stretching pairs.at n=32A216120
- Numbers k such that Bernoulli number B_{k} has denominator 56786730.at n=14A295598
- Number of nX5 0..1 arrays with every element unequal to 1, 2, 5, 6 or 7 king-move adjacent elements, with upper left element zero.at n=13A305179