A176891 - OEIS

A176891 as a triangular array

1

1 0

1 0 0

1 2 0 0

1 0 0 0 0

1 2 3 0 0 0

1 0 0 0 0 0 0

1 2 0 4 0 0 0 0

1 0 3 0 0 0 0 0 0

1 2 0 0 5 0 0 0 0 0

1 0 0 0 0 0 0 0 0 0 0

1 2 3 4 0 6 0 0 0 0 0 0

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

1 2 0 0 0 0 7 0 0 0 0 0 0 0

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

0 0 2 0 2 0 2 0 2 0 2 0 2

0 0 0 3 0 0 3 0 0 3 0 0

0 0 0 0 4 0 0 0 4 0 0

0 0 0 0 0 5 0 0 0 0

0 0 0 0 0 0 6 0 0

0 0 0 0 0 0 0 7

0 0 0 0 0 0 0

0 0 0 0 0 0

0 0 0 0 0

0 0 0 0

0 0 0

0 0

0