131142

Appears in sequences

• Number of 3 X n 0-1 matrices avoiding simultaneously the right angled numbered polyomino patterns (ranpp) (00;1), (01;0), (10;0) and (01;1).at n=17A100315
• Number of compositions of n avoiding the pattern 111.at n=24A232432
• Sum of the sizes of all subsets of [n] whose sum is divisible by n.at n=17A309122