43026

Appears in sequences

• Number of permutations of length n which avoid the patterns 2134, 3214, 4312.at n=10A116745
• a(n) = 1944*n^2 - 5016*n + 3138 (n >= 1).at n=5A304838
• Number of unlabeled rooted identity trees with n non-binary nodes.at n=25A318520
• a(n) is the least positive integer in base n that when multiplied by 2n-1 will contain only the digits 0 and 1.at n=16A337624