A174526 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 1 |
| | | | | | | | | 1 | | 4 | | 1 |
| | | | | | | | 1 | | 11 | | 11 | | 1 |
| | | | | | | 1 | | 26 | | 64 | | 26 | | 1 |
| | | | | | 1 | | 57 | | 300 | | 300 | | 57 | | 1 |
| | | | | 1 | | 120 | | 1287 | | 2770 | | 1287 | | 120 | | 1 |
| | | | 1 | | 247 | | 5313 | | 23587 | | 23587 | | 5313 | | 247 | | 1 |
| | | 1 | | 502 | | 21562 | | 194254 | | 401504 | | 194254 | | 21562 | | 502 | | 1 |
| | 1 | | 1013 | | 86834 | | 1575986 | | 6619368 | | 6619368 | | 1575986 | | 86834 |
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A174526 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 4 | 11 | 26 | 57 | 120 | 247 | 502 | 1013
| 1 | 11 | 64 | 300 | 1287 | 5313 | 21562 | 86834
| 1 | 26 | 300 | 2770 | 23587 | 194254 | 1575986
| 1 | 57 | 1287 | 23587 | 401504 | 6619368
| 1 | 120 | 5313 | 194254 | 6619368
| 1 | 247 | 21562 | 1575986
| 1 | 502 | 86834
| 1
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A174526 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 4 | 11 | 26 | 57 | 120 | 247 | 502 | 1013
| | | 1 | 11 | 64 | 300 | 1287 | 5313 | 21562 | 86834
| | | | 1 | 26 | 300 | 2770 | 23587 | 194254 | 1575986
| | | | | 1 | 57 | 1287 | 23587 | 401504 | 6619368
| | | | | | 1 | 120 | 5313 | 194254 | 6619368
| | | | | | | 1 | 247 | 21562 | 1575986
| | | | | | | | 1 | 502 | 86834
| | | | | | | | | 1
| | | | | | | | |
|
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