A248813 - OEIS

A248813 as a triangular array

0

0 1

0 2 2

0 3 1 3

0 4 2 6 4

0 5 3 1 8 5

0 6 4 2 12 7 6

0 7 5 3 1 15 3 7

0 8 6 4 2 20 14 5 8

0 9 7 5 3 1 24 13 4 9

0 10 8 6 4 2 30 23 8 18 10

0 11 9 7 5 3 1 35 22 11 20 11

0 12 10 8 6 4 2 42 34 21 10 19 12

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

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

2 1 2 3 4 5 6 7 8 9 10

3 6 1 2 3 4 5 6 7 8

4 8 12 1 2 3 4 5 6

5 7 15 20 1 2 3 4

6 3 14 24 30 1 2

7 5 13 23 35 42

8 4 8 22 34

9 18 11 21

10 20 10

11 19

12