A129503 - OEIS

A129503 as a triangular array

1

1 1

1 2 0

1 3 0 1

1 4 0 3 0

1 5 0 6 0 0

1 6 0 10 0 0 0

1 7 0 15 0 0 0 1

1 8 0 21 0 0 0 4 0

1 9 0 28 0 0 0 10 0 0

1 10 0 36 0 0 0 20 0 0 0

1 11 0 45 0 0 0 35 0 0 0 0

1 12 0 55 0 0 0 56 0 0 0 0 0

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

1 2 3 4 5 6 7 8 9 10 11 12

0 0 0 0 0 0 0 0 0 0 0

1 3 6 10 15 21 28 36 45 55

0 0 0 0 0 0 0 0 0

0 0 0 0 0 0 0 0

0 0 0 0 0 0 0

1 4 10 20 35 56

0 0 0 0 0

0 0 0 0

0 0 0

0 0

0