A250119 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | 1 | | 3 | | 1 |
| | | | | | | | | 1 | | 7 | | 6 | | 1 |
| | | | | | | | 1 | | 15 | | 25 | | 10 | | 1 |
| | | | | | | 1 | | 31 | | 90 | | 65 | | 14 | | 1 |
| | | | | | 1 | | 63 | | 301 | | 350 | | 121 | | 18 | | 1 |
| | | | | 1 | | 127 | | 966 | | 1701 | | 834 | | 193 | | 22 | | 1 |
| | | | 1 | | 255 | | 3025 | | 7770 | | 5037 | | 1606 | | 281 | | 26 | | 1 |
| | | 1 | | 511 | | 9330 | | 34105 | | 27918 | | 11461 | | 2730 | | 385 | | 30 | | 1 |
| | 1 | | 1023 | | 28501 | | 145750 | | 145777 | | 73762 | | 22381 | | 4270 | | 505 | | 34 | | 1 |
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A250119 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511 | 1023
| 1 | 6 | 25 | 90 | 301 | 966 | 3025 | 9330 | 28501
| 1 | 10 | 65 | 350 | 1701 | 7770 | 34105 | 145750
| 1 | 14 | 121 | 834 | 5037 | 27918 | 145777
| 1 | 18 | 193 | 1606 | 11461 | 73762
| 1 | 22 | 281 | 2730 | 22381
| 1 | 26 | 385 | 4270
| 1 | 30 | 505
| 1 | 34
| 1
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A250119 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 3 | 7 | 15 | 31 | 63 | 127 | 255 | 511 | 1023
| | | 1 | 6 | 25 | 90 | 301 | 966 | 3025 | 9330 | 28501
| | | | 1 | 10 | 65 | 350 | 1701 | 7770 | 34105 | 145750
| | | | | 1 | 14 | 121 | 834 | 5037 | 27918 | 145777
| | | | | | 1 | 18 | 193 | 1606 | 11461 | 73762
| | | | | | | 1 | 22 | 281 | 2730 | 22381
| | | | | | | | 1 | 26 | 385 | 4270
| | | | | | | | | 1 | 30 | 505
| | | | | | | | | | 1 | 34
| | | | | | | | | | | 1
|
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