156629

Appears in sequences

• Number of base 11 n-digit numbers with adjacent digits differing by one or less.at n=10A126365
• Number of n X n binary arrays without the pattern 0 1 diagonally, vertically or antidiagonally.at n=10A188860
• Cardinality of Image^inf({ 2 }) under repeated base-n zero-split doubling.at n=42A254638
• Triangle I(m,n) read by rows: number of perfect lattice paths on the m*n board.at n=64A296449