A277810 as a triangular array
| | | | | | | | | | | 2 |
| | | | | | | | | | | 6 | | 3 |
| | | | | | | | | | 10 | | 15 | | 30 |
| | | | | | | | | 210 | | 21 | | 14 | | 5 |
| | | | | | | | 22 | | 1155 | | 462 | | 35 | | 70 |
| | | | | | | 858 | | 39 | | 910 | | 55 | | 330 | | 105 |
| | | | | | 1870 | | 3315 | | 72930 | | 5005 | | 2002 | | 33 | | 42 |
| | | | | 9699690 | | 5187 | | 2926 | | 85 | | 714 | | 2145 | | 770 | | 7 |
| | | | 46 | | 111546435 | | 238602 | | 11305 | | 248710 | | 3927 | | 390 | | 77 | | 154 |
| | | 4002 | | 87 | | 93763670 | | 21505 | | 152490 | | 440895 | | 3094 | | 91 | | 546 | | 231 |
| | 7130 | | 13485 | | 620310 | | 1078282205 | | 2306486 | | 9867 | | 114114 | | 17017 | | 170170 | | 1365 | | 2310 |
|
A277810 as a square array
2 | 6 | 10 | 210 | 22 | 858 | 1870 | 9699690 | 46 | 4002 | 7130
| 3 | 15 | 21 | 1155 | 39 | 3315 | 5187 | 111546435 | 87 | 13485
| 30 | 14 | 462 | 910 | 72930 | 2926 | 238602 | 93763670 | 620310
| 5 | 35 | 55 | 5005 | 85 | 11305 | 21505 | 1078282205
| 70 | 330 | 2002 | 714 | 248710 | 152490 | 2306486
| 105 | 33 | 2145 | 3927 | 440895 | 9867
| 42 | 770 | 390 | 3094 | 114114
| 7 | 77 | 91 | 17017
| 154 | 546 | 170170
| 231 | 1365
| 2310
|
A277810 as an upper right triangle
2 | 6 | 10 | 210 | 22 | 858 | 1870 | 9699690 | 46 | 4002 | 7130
| | 3 | 15 | 21 | 1155 | 39 | 3315 | 5187 | 111546435 | 87 | 13485
| | | 30 | 14 | 462 | 910 | 72930 | 2926 | 238602 | 93763670 | 620310
| | | | 5 | 35 | 55 | 5005 | 85 | 11305 | 21505 | 1078282205
| | | | | 70 | 330 | 2002 | 714 | 248710 | 152490 | 2306486
| | | | | | 105 | 33 | 2145 | 3927 | 440895 | 9867
| | | | | | | 42 | 770 | 390 | 3094 | 114114
| | | | | | | | 7 | 77 | 91 | 17017
| | | | | | | | | 154 | 546 | 170170
| | | | | | | | | | 231 | 1365
| | | | | | | | | | | 2310
|
|