A060287 - OEIS

A060287 as a triangular array

1

0 0

0 0 0

1 1 1 1

1 1 1 1 1

1 1 1 1 1 1

2 2 3 3 3 2 2

2 3 4 5 5 4 3 2

3 4 6 7 8 7 6 4 3

4 6 9 12 13 13 12 9 6 4

5 8 13 17 21 21 21 17 13 8 5

6 11 18 25 31 34 34 31 25 18 11 6

9 15 26 37 48 53 58 53 48 37 26

1 0 0 1 1 1 2 2 3 4 5 6 9

0 0 1 1 1 2 3 4 6 8 11 15

0 1 1 1 3 4 6 9 13 18 26

1 1 1 3 5 7 12 17 25 37

1 1 3 5 8 13 21 31 48

1 2 4 7 13 21 34 53

2 3 6 12 21 34 58

2 4 9 17 31 53

3 6 13 25 48

4 8 18 37

5 11 26

6