A026836 - OEIS

A026836 as a triangular array

1

0 1

0 1 1

0 0 1 1

0 0 1 1 1

0 0 1 1 1 1

0 0 0 2 1 1 1

0 0 0 1 2 1 1 1

0 0 0 1 2 2 1 1 1

0 0 0 1 2 2 2 1 1 1

0 0 0 0 2 3 2 2 1 1 1

0 0 0 0 2 3 3 2 2 1 1 1

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

1 1 1 2 1 1 1 0 0 0

1 1 1 2 2 2 2 2 1

1 1 1 2 2 3 3 3

1 1 1 2 2 3 4

1 1 1 2 2 3

1 1 1 2 2

1 1 1 2

1 1 1

1 1