A321609 - OEIS

A321609 as a triangular array

1

0 1

0 1 1

0 0 1 1

0 0 3 1 1

0 0 1 3 1 1

0 0 1 6 3 1 1

0 0 0 7 6 3 1 1

0 0 0 7 16 6 3 1 1

0 0 0 6 21 16 6 3 1 1

0 0 0 3 39 34 16 6 3 1 1

0 0 0 1 44 69 34 16 6 3 1 1

0 0 0 1 55 130 90 34 16 6 3 1 1

1 0 0 0 0 0 0 0 0 0 0 0 0

1 1 0 0 0 0 0 0 0 0 0 0

1 1 3 1 1 0 0 0 0 0 0

1 1 3 6 7 7 6 3 1 1

1 1 3 6 16 21 39 44 55

1 1 3 6 16 34 69 130

1 1 3 6 16 34 90

1 1 3 6 16 34

1 1 3 6 16

1 1 3 6

1 1 3

1 1

1