23882

Appears in sequences

• Triangle T(n,k) (0<= k <=n) read by rows. Left edge is 1, 0, 0, ... Otherwise each entry is sum of entry to left, entries immediately above it to left and right and entry directly above it 2 rows back.at n=43A059283
• 0-sequence of reduction of (3n-1) by x^2 -> x+1.at n=14A192309
• Number of Carlitz compositions of n with exactly ten descents.at n=3A241700
• Numbers n such that there are precisely 2 groups of order n and 3 of order n + 1.at n=23A296025
• Expansion of Sum_{k>=1} k * x^k / (1 - k * x^k)^k.at n=21A324159
• Expansion of Sum_{k>0} (1/(1-x^k)^5 - 1).at n=24A363695
• Number of unlabeled 3-connected graphs on n vertices with girth at least 5.at n=7A366224