A055794 - OEIS

A055794 as a triangular array

1

1 1

1 2 1

1 3 2 1

1 4 4 2 0

1 5 7 4 1 0

1 6 11 8 3 0 0

1 7 16 15 7 1 0 0

1 8 22 26 15 4 0 0 0

1 9 29 42 30 11 1 0 0 0

1 10 37 64 56 26 5 0 0 0 0

1 11 46 93 98 56 16 1 0 0 0 0

1 12 56 130 162 112 42 6 0 0 0 0 0

1 1 1 1 1 1 1 1 1 1 1 1 1

1 2 3 4 5 6 7 8 9 10 11 12

1 2 4 7 11 16 22 29 37 46 56

1 2 4 8 15 26 42 64 93 130

0 1 3 7 15 30 56 98 162

0 0 1 4 11 26 56 112

0 0 0 1 5 16 42

0 0 0 0 1 6

0 0 0 0 0

0 0 0 0

0 0 0

0 0

0