449824
domain: N
Appears in sequences
- Number of 2Xn arrays of permutations of 0..n*2-1 with rows nondecreasing modulo 5 and columns nondecreasing modulo 6.at n=8A264715
- Number of subsets of {1..n} such that only one set can be obtained by choosing a different prime factor of each element.at n=30A370584
- Number of subsets of {1..n} containing n such that only one set can be obtained by choosing a different prime factor of each element.at n=31A370588