A180683 - OEIS

A180683 as a triangular array

1

1 1

1 1 1

1 3 1 1

1 3 3 1 1

1 6 6 3 1 1

1 6 9 6 3 1 1

1 10 14 13 6 3 1 1

1 10 24 18 13 6 3 1 1

1 15 31 35 23 13 6 3 1 1

1 15 45 51 40 23 13 6 3 1 1

1 21 64 85 65 46 23 13 6 3 1 1

1 21 82 118 111 71 46 23 13 6 3

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

1 1 3 3 6 6 10 10 15 15 21 21

1 1 3 6 9 14 24 31 45 64 82

1 1 3 6 13 18 35 51 85 118

1 1 3 6 13 23 40 65 111

1 1 3 6 13 23 46 71

1 1 3 6 13 23 46

1 1 3 6 13 23

1 1 3 6 13

1 1 3 6

1 1 3

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