A052173 - OEIS

A052173 as a triangular array

1

1 0

1 0 1

1 0 2 0

1 0 3 0 2

1 0 4 0 5 0

1 0 5 0 9 0 5

1 0 6 0 14 0 14 0

1 0 7 0 20 0 28 0 14

1 0 8 0 27 0 48 0 42 0

1 0 9 0 35 0 75 0 90 0 42

1 0 10 0 44 0 110 0 165 0 132 0

1 0 11 0 54 0 154 0 275 0 297 0

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

0 0 0 0 0 0 0 0 0 0 0 0

1 2 3 4 5 6 7 8 9 10 11

0 0 0 0 0 0 0 0 0 0

2 5 9 14 20 27 35 44 54

0 0 0 0 0 0 0 0

5 14 28 48 75 110 154

0 0 0 0 0 0

14 42 90 165 275

0 0 0 0

42 132 297

0 0