A186084 - OEIS

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A186084 as a triangular array

1

0 1

0 0 1

0 0 1 1

0 0 0 2 1

0 0 0 1 3 1

0 0 0 0 3 4 1

0 0 0 0 1 6 5 1

0 0 0 0 1 4 10 6 1

0 0 0 0 0 3 10 15 7 1

0 0 0 0 0 2 8 20 21 8 1

0 0 0 0 0 1 7 19 35 28 9 1

0 0 0 0 0 0 5 18 40 56 36 10 1

0 0 0 0 0 0 3 16 41 76 84 45 11 1

0 0 0 0 0 0 1 12 41 86 133 120 55 12 1

A186084 as a square array

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

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

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

1 2 1 0 0 0 0 0 0 0 0 0

1 3 3 1 1 0 0 0 0 0 0

1 4 6 4 3 2 1 0 0 0

1 5 10 10 8 7 5 3 1

1 6 15 20 19 18 16 12

1 7 21 35 40 41 41

1 8 28 56 76 86

1 9 36 84 133

1 10 45 120

1 11 55

1 12

1

A186084 as an upper right triangle