A097230 - OEIS

A097230 as a triangular array

1

1 0

1 0 1

1 0 2 1

1 0 3 2 1

1 0 4 3 3 1

1 0 5 4 6 4 1

1 0 6 5 10 9 5 1

1 0 7 6 15 16 13 6 1

1 0 8 7 21 25 26 18 7 1

1 0 9 8 28 36 45 40 24 8 1

1 0 10 9 36 49 71 75 59 31 9 1

1 0 11 10 45 64 105 126 120 84 39 10 1

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

0 0 0 0 0 0 0 0 0 0 0 0

1 2 3 4 5 6 7 8 9 10 11

1 2 3 4 5 6 7 8 9 10

1 3 6 10 15 21 28 36 45

1 4 9 16 25 36 49 64

1 5 13 26 45 71 105

1 6 18 40 75 126

1 7 24 59 120

1 8 31 84

1 9 39

1 10

1