A064308 as a triangular array
| | | | | | | | 1 |
| | | | | | | | 4 | | 2 |
| | | | | | | 13 | | 20 | | 5 |
| | | | | | 41 | | 149 | | 98 | | 14 |
| | | | | 131 | | 1022 | | 1330 | | 462 | | 42 |
| | | | 428 | | 6866 | | 15768 | | 9990 | | 2112 | | 132 |
| | | 1429 | | 46188 | | 176229 | | 181170 | | 66792 | | 9438 | | 429 |
| | 4861 | | 313601 | | 1917960 | | 3003990 | | 1717287 | | 411411 | | 41470 | | 1430 |
|
A064308 as a square array
1 | 4 | 13 | 41 | 131 | 428 | 1429 | 4861
| 2 | 20 | 149 | 1022 | 6866 | 46188 | 313601
| 5 | 98 | 1330 | 15768 | 176229 | 1917960
| 14 | 462 | 9990 | 181170 | 3003990
| 42 | 2112 | 66792 | 1717287
| 132 | 9438 | 411411
| 429 | 41470
| 1430
|
A064308 as an upper right triangle
1 | 4 | 13 | 41 | 131 | 428 | 1429 | 4861
| | 2 | 20 | 149 | 1022 | 6866 | 46188 | 313601
| | | 5 | 98 | 1330 | 15768 | 176229 | 1917960
| | | | 14 | 462 | 9990 | 181170 | 3003990
| | | | | 42 | 2112 | 66792 | 1717287
| | | | | | 132 | 9438 | 411411
| | | | | | | 429 | 41470
| | | | | | | | 1430
|
|