A270701 as a triangular array
| | | | | | | | | | 1 |
| | | | | | | | | | 1 | | 3 |
| | | | | | | | | 2 | | 4 | | 9 |
| | | | | | | | 5 | | 9 | | 16 | | 30 |
| | | | | | | 15 | | 25 | | 41 | | 67 | | 112 |
| | | | | | 52 | | 82 | | 127 | | 195 | | 299 | | 463 |
| | | | | 203 | | 307 | | 456 | | 670 | | 979 | | 1429 | | 2095 |
| | | | 877 | | 1283 | | 1845 | | 2623 | | 3702 | | 5204 | | 7307 | | 10279 |
| | | 4140 | | 5894 | | 8257 | | 11437 | | 15717 | | 21485 | | 29278 | | 39848 | | 54267 |
| | 21147 | | 29427 | | 40338 | | 54692 | | 73561 | | 98367 | | 131007 | | 174029 | | 230884 | | 306298 |
|
A270701 as a square array
1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140 | 21147
| 3 | 4 | 9 | 25 | 82 | 307 | 1283 | 5894 | 29427
| 9 | 16 | 41 | 127 | 456 | 1845 | 8257 | 40338
| 30 | 67 | 195 | 670 | 2623 | 11437 | 54692
| 112 | 299 | 979 | 3702 | 15717 | 73561
| 463 | 1429 | 5204 | 21485 | 98367
| 2095 | 7307 | 29278 | 131007
| 10279 | 39848 | 174029
| 54267 | 230884
| 306298
|
A270701 as an upper right triangle
1 | 1 | 2 | 5 | 15 | 52 | 203 | 877 | 4140 | 21147
| | 3 | 4 | 9 | 25 | 82 | 307 | 1283 | 5894 | 29427
| | | 9 | 16 | 41 | 127 | 456 | 1845 | 8257 | 40338
| | | | 30 | 67 | 195 | 670 | 2623 | 11437 | 54692
| | | | | 112 | 299 | 979 | 3702 | 15717 | 73561
| | | | | | 463 | 1429 | 5204 | 21485 | 98367
| | | | | | | 2095 | 7307 | 29278 | 131007
| | | | | | | | 10279 | 39848 | 174029
| | | | | | | | | 54267 | 230884
| | | | | | | | | | 306298
|
|