A287206 as a triangular array
| | | | | | | | | 1 |
| | | | | | | | | 0 | | 1 |
| | | | | | | | 1 | | 0 | | 3 |
| | | | | | | 1 | | 28 | | 0 | | 28 |
| | | | | | 281 | | 120 | | 1680 | | 0 | | 840 |
| | | | | 9921 | | 139376 | | 29760 | | 277760 | | 0 | | 83328 |
| | | | 16078337 | | 20000736 | | 140491008 | | 19998720 | | 139991040 | | 0 | | 27998208 |
| | | 13596908545 | | 130684723136 | | 81282991104 | | 380636971008 | | 40637399040 | | 227569434624 | | 0 | | 32509919232 |
| | 191426147495937 | | 443803094908800 | | 2132774681579520 | | 884358943211520 | | 3105997683425280 | | 265280940933120 | | 1237977724354560 | | 0 | | 132640470466560 |
|
A287206 as a square array
1 | 0 | 1 | 1 | 281 | 9921 | 16078337 | 13596908545 | 191426147495937
| 1 | 0 | 28 | 120 | 139376 | 20000736 | 130684723136 | 443803094908800
| 3 | 0 | 1680 | 29760 | 140491008 | 81282991104 | 2132774681579520
| 28 | 0 | 277760 | 19998720 | 380636971008 | 884358943211520
| 840 | 0 | 139991040 | 40637399040 | 3105997683425280
| 83328 | 0 | 227569434624 | 265280940933120
| 27998208 | 0 | 1237977724354560
| 32509919232 | 0
| 132640470466560
|
A287206 as an upper right triangle
1 | 0 | 1 | 1 | 281 | 9921 | 16078337 | 13596908545 | 191426147495937
| | 1 | 0 | 28 | 120 | 139376 | 20000736 | 130684723136 | 443803094908800
| | | 3 | 0 | 1680 | 29760 | 140491008 | 81282991104 | 2132774681579520
| | | | 28 | 0 | 277760 | 19998720 | 380636971008 | 884358943211520
| | | | | 840 | 0 | 139991040 | 40637399040 | 3105997683425280
| | | | | | 83328 | 0 | 227569434624 | 265280940933120
| | | | | | | 27998208 | 0 | 1237977724354560
| | | | | | | | 32509919232 | 0
| | | | | | | | | 132640470466560
|
|