A240427 as a triangular array
| | | | | | | | | 3 |
| | | | | | | | | 7 | | 7 |
| | | | | | | | 16 | | 35 | | 16 |
| | | | | | | 38 | | 151 | | 151 | | 38 |
| | | | | | 90 | | 684 | | 1312 | | 684 | | 90 |
| | | | | 212 | | 3140 | | 11573 | | 11573 | | 3140 | | 212 |
| | | | 500 | | 14357 | | 103021 | | 203213 | | 103021 | | 14357 | | 500 |
| | | 1180 | | 65592 | | 917629 | | 3577618 | | 3577618 | | 917629 | | 65592 | | 1180 |
| | 2784 | | 299916 | | 8183512 | | 63110993 |
|
A240427 as a square array
3 | 7 | 16 | 38 | 90 | 212 | 500 | 1180 | 2784
| 7 | 35 | 151 | 684 | 3140 | 14357 | 65592 | 299916
| 16 | 151 | 1312 | 11573 | 103021 | 917629 | 8183512
| 38 | 684 | 11573 | 203213 | 3577618 | 63110993
| 90 | 3140 | 103021 | 3577618
| 212 | 14357 | 917629
| 500 | 65592
| 1180
|
A240427 as an upper right triangle
3 | 7 | 16 | 38 | 90 | 212 | 500 | 1180 | 2784
| | 7 | 35 | 151 | 684 | 3140 | 14357 | 65592 | 299916
| | | 16 | 151 | 1312 | 11573 | 103021 | 917629 | 8183512
| | | | 38 | 684 | 11573 | 203213 | 3577618 | 63110993
| | | | | 90 | 3140 | 103021 | 3577618
| | | | | | 212 | 14357 | 917629
| | | | | | | 500 | 65592
| | | | | | | | 1180
| | | | | | | |
|
|