A081417 - OEIS

A081417 as a triangular array

0

0 0

0 1 0

0 2 2 0

0 2 3 2 0

0 3 4 4 3 0

0 3 6 8 6 3 0

0 4 8 11 11 8 4 0

0 4 9 16 19 16 9 4 0

0 4 11 23 30 30 23 11 4 0

0 4 14 30 46 54 46 30 14 4 0

0 5 16 38 66 89 89 66 38 16 5 0

0 5 18 47 94 138 157 138 94

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

0 1 2 2 3 3 4 4 4 4 5 5

0 2 3 4 6 8 9 11 14 16 18

0 2 4 8 11 16 23 30 38 47

0 3 6 11 19 30 46 66 94

0 3 8 16 30 54 89 138

0 4 9 23 46 89 157

0 4 11 30 66 138

0 4 14 38 94

0 4 16

0 5

0