A213945 - OEIS

A213945 as a triangular array

1

1 1

1 1 2

1 1 1 5

1 1 1 2 11

1 1 1 1 4 24

1 1 1 1 2 7 51

1 1 1 1 1 4 12 107

1 1 1 1 1 2 6 21 222

1 1 1 1 1 1 4 9 36 457

1 1 1 1 1 1 2 6 14 61 935

1 1 1 1 1 1 1 4 8 22 103 1904

1 1 1 1 1 1 1 2 6 11 34 173 3863

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

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

2 1 1 1 1 1 1 1 1 1 1

5 2 1 1 1 1 1 1 1 1

11 4 2 1 1 1 1 1 1

24 7 4 2 1 1 1 1

51 12 6 4 2 1 1

107 21 9 6 4 2

222 36 14 8 6

457 61 22 11

935 103 34

1904 173

3863