A049223 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 10 | | 1 |
| | | | | | | | 150 | | 20 | | 1 |
| | | | | | | 2625 | | 400 | | 30 | | 1 |
| | | | | | 49875 | | 8250 | | 750 | | 40 | | 1 |
| | | | | 997500 | | 174750 | | 17875 | | 1200 | | 50 | | 1 |
| | | | 20662500 | | 3780000 | | 419625 | | 32500 | | 1750 | | 60 | | 1 |
| | | 439078125 | | 83128125 | | 9810000 | | 839500 | | 53125 | | 2400 | | 70 | | 1 |
| | 9513359375 | | 1852500000 | | 229359375 |
|
A049223 as a square array
| 1 | 10 | 150 | 2625 | 49875 | 997500 | 20662500 | 439078125 | 9513359375
| | 1 | 20 | 400 | 8250 | 174750 | 3780000 | 83128125 | 1852500000
| | 1 | 30 | 750 | 17875 | 419625 | 9810000 | 229359375
| | 1 | 40 | 1200 | 32500 | 839500
| | 1 | 50 | 1750 | 53125
| | 1 | 60 | 2400
| | 1 | 70
| | 1
|
A049223 as an upper right triangle
| 1 | 10 | 150 | 2625 | 49875 | 997500 | 20662500 | 439078125 | 9513359375
| | 1 | 20 | 400 | 8250 | 174750 | 3780000 | 83128125 | 1852500000
| | | 1 | 30 | 750 | 17875 | 419625 | 9810000 | 229359375
| | | | 1 | 40 | 1200 | 32500 | 839500
| | | | | 1 | 50 | 1750 | 53125
| | | | | | 1 | 60 | 2400
| | | | | | | 1 | 70
| | | | | | | | 1
| | | | | | | |
|
|
