A131268 - OEIS

A131268 as a triangular array

1

1 1

1 1 1

1 1 3 1

1 1 5 3 1

1 1 7 5 5 1

1 1 9 7 11 5 1

1 1 11 9 19 11 7 1

1 1 13 11 29 19 19 7 1

1 1 15 13 41 29 39 19 9 1

1 1 17 15 55 41 69 39 29 9 1

1 1 19 17 71 55 111 69 69 29 11 1

1 1 21 19 89 71 167 111 139 69 41 11 1

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

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

1 3 5 7 9 11 13 15 17 19 21

1 3 5 7 9 11 13 15 17 19

1 5 11 19 29 41 55 71 89

1 5 11 19 29 41 55 71

1 7 19 39 69 111 167

1 7 19 39 69 111

1 9 29 69 139

1 9 29 69

1 11 41

1 11

1