A182172 - OEIS

A182172 as a triangular array

1

1 0

1 1 0

1 1 1 0

1 1 2 1 0

1 1 2 3 1 0

1 1 2 4 6 1 0

1 1 2 4 9 10 1 0

1 1 2 4 10 21 20 1 0

1 1 2 4 10 25 51 35 1 0

1 1 2 4 10 26 70 127 70 1 0

1 1 2 4 10 26 75 196 323 126 1 0

1 1 2 4 10 26 76 225 588 835 252 1 0

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

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

0 1 2 2 2 2 2 2 2 2 2

0 1 3 4 4 4 4 4 4 4

0 1 6 9 10 10 10 10 10

0 1 10 21 25 26 26 26

0 1 20 51 70 75 76

0 1 35 127 196 225

0 1 70 323 588

0 1 126 835

0 1 252

0 1

0