A156139 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 6 | | 1 |
| | | | | | | | 1 | | 23 | | 28 | | 1 |
| | | | | | | 1 | | 76 | | 250 | | 145 | | 1 |
| | | | | | 1 | | 237 | | 1608 | | 2475 | | 876 | | 1 |
| | | | | 1 | | 722 | | 8802 | | 26847 | | 25056 | | 6139 | | 1 |
| | | | 1 | | 2179 | | 43872 | | 231057 | | 418806 | | 268477 | | 49120 | | 1 |
| | | 1 | | 6552 | | 205994 | | 1725621 | | 5285520 | | 6486205 | | 3077730 | | 442089 | | 1 |
| | 1 | | 19673 | | 928808 | | 11718015 | | 55871814 | | 114115195 | | 102456300 | | 37833831 | | 4420900 | | 1 |
|
A156139 as a square array
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 6 | 23 | 76 | 237 | 722 | 2179 | 6552 | 19673
| | 1 | 28 | 250 | 1608 | 8802 | 43872 | 205994 | 928808
| | 1 | 145 | 2475 | 26847 | 231057 | 1725621 | 11718015
| | 1 | 876 | 25056 | 418806 | 5285520 | 55871814
| | 1 | 6139 | 268477 | 6486205 | 114115195
| | 1 | 49120 | 3077730 | 102456300
| | 1 | 442089 | 37833831
| | 1 | 4420900
| | 1
|
A156139 as an upper right triangle
| 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 6 | 23 | 76 | 237 | 722 | 2179 | 6552 | 19673
| | | 1 | 28 | 250 | 1608 | 8802 | 43872 | 205994 | 928808
| | | | 1 | 145 | 2475 | 26847 | 231057 | 1725621 | 11718015
| | | | | 1 | 876 | 25056 | 418806 | 5285520 | 55871814
| | | | | | 1 | 6139 | 268477 | 6486205 | 114115195
| | | | | | | 1 | 49120 | 3077730 | 102456300
| | | | | | | | 1 | 442089 | 37833831
| | | | | | | | | 1 | 4420900
| | | | | | | | | | 1
|
|
