A304972 as a triangular array
| | | | | | | | | | | | | 1 |
| | | | | | | | | | | | | 1 | | 1 |
| | | | | | | | | | | | 1 | | 1 | | 1 |
| | | | | | | | | | | 1 | | 3 | | 2 | | 1 |
| | | | | | | | | | 1 | | 3 | | 5 | | 2 | | 1 |
| | | | | | | | | 1 | | 7 | | 10 | | 9 | | 3 | | 1 |
| | | | | | | | 1 | | 7 | | 19 | | 16 | | 12 | | 3 | | 1 |
| | | | | | | 1 | | 15 | | 38 | | 53 | | 34 | | 18 | | 4 | | 1 |
| | | | | | 1 | | 15 | | 65 | | 90 | | 95 | | 46 | | 22 | | 4 | | 1 |
| | | | | 1 | | 31 | | 130 | | 265 | | 261 | | 195 | | 80 | | 30 | | 5 | | 1 |
| | | | 1 | | 31 | | 211 | | 440 | | 630 | | 461 | | 295 | | 100 | | 35 | | 5 | | 1 |
| | | 1 | | 63 | | 422 | | 1221 | | 1700 | | 1696 | | 1016 | | 515 | | 155 | | 45 | | 6 | | 1 |
| | 1 | | 63 | | 665 | | 2002 |
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A304972 as a square array
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| 1 | 1 | 3 | 3 | 7 | 7 | 15 | 15 | 31 | 31 | 63 | 63
| 1 | 2 | 5 | 10 | 19 | 38 | 65 | 130 | 211 | 422 | 665
| 1 | 2 | 9 | 16 | 53 | 90 | 265 | 440 | 1221 | 2002
| 1 | 3 | 12 | 34 | 95 | 261 | 630 | 1700
| 1 | 3 | 18 | 46 | 195 | 461 | 1696
| 1 | 4 | 22 | 80 | 295 | 1016
| 1 | 4 | 30 | 100 | 515
| 1 | 5 | 35 | 155
| 1 | 5 | 45
| 1 | 6
| 1
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A304972 as an upper right triangle
1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1 | 1
| | 1 | 1 | 3 | 3 | 7 | 7 | 15 | 15 | 31 | 31 | 63 | 63
| | | 1 | 2 | 5 | 10 | 19 | 38 | 65 | 130 | 211 | 422 | 665
| | | | 1 | 2 | 9 | 16 | 53 | 90 | 265 | 440 | 1221 | 2002
| | | | | 1 | 3 | 12 | 34 | 95 | 261 | 630 | 1700
| | | | | | 1 | 3 | 18 | 46 | 195 | 461 | 1696
| | | | | | | 1 | 4 | 22 | 80 | 295 | 1016
| | | | | | | | 1 | 4 | 30 | 100 | 515
| | | | | | | | | 1 | 5 | 35 | 155
| | | | | | | | | | 1 | 5 | 45
| | | | | | | | | | | 1 | 6
| | | | | | | | | | | | 1
| | | | | | | | | | | |
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