A126572 - OEIS

A126572 as a triangular array

1

1 2

1 3 3

1 2 5 4

1 3 4 7 5

1 2 5 5 9 6

1 5 3 7 7 11 7

1 2 7 4 9 8 13 8

1 3 3 11 6 11 10 15 9

1 2 5 4 13 7 13 11 17 10

1 3 4 7 5 17 8 15 13 19 11

1 2 7 5 9 6 19 9 17 14 21 12

1 5 3 9 7 11 8 23 11 19 16 23 13

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

2 3 2 3 2 5 2 3 2 3 2 5

3 5 4 5 3 7 3 5 4 7 3

4 7 5 7 4 11 4 7 5 9

5 9 7 9 6 13 5 9 7

6 11 8 11 7 17 6 11

7 13 10 13 8 19 8

8 15 11 15 9 23

9 17 13 17 11

10 19 14 19

11 21 16

12 23

13