288813

Appears in sequences

• Triangle, read by rows, that transforms rows into diagonals in the table of coefficients of successive iterations of x+x^2 (cf. A122888).at n=29A166900
• Column 1 of triangle A166900.at n=6A166901
• Number of nX5 0..1 arrays avoiding 0 0 0 and 0 1 0 horizontally and 0 1 1 and 1 0 1 vertically.at n=7A207726