A103633 - OEIS

A103633 as a triangular array

1

0 1

0 1 1

0 0 1 1

0 0 1 2 1

0 0 0 1 2 1

0 0 0 1 3 3 1

0 0 0 0 1 3 3 1

0 0 0 0 1 4 6 4 1

0 0 0 0 0 1 4 6 4 1

0 0 0 0 0 1 5 10 10 5 1

0 0 0 0 0 0 1 5 10 10 5 1

0 0 0 0 0 0 1 6 15 20 15 6 1

0 0 0 0 0 0 0 1 6 15

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

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

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

1 2 1 1 0 0 0 0 0 0 0

1 2 3 1 1 0 0 0 0 0

1 3 3 4 1 1 0 0 0

1 3 6 4 5 1 1 0

1 4 6 10 5 6 1

1 4 10 10 15 6

1 5 10 20 15

1 5 15

1 6

1