A137778 formatted as a triangular array:
| | | | | | | -1 | | | | | | | |
| | | | | | -2 | | -2 | | | | | | |
| | | | | -4 | | -8 | | -4 | | | | | |
| | | | -12 | | -36 | | -36 | | -12 | | | | |
| | | -48 | | -192 | | -288 | | -192 | | -48 | | | |
| | -240 | | -1200 | | -2400 | | -2400 | | -1200 | | -240 | | |
| -1440 | | -8640 | | -21600 | | -28800 | | -21600 | | -8640 | | -1440 | |
| -10080 | | -70560 | | -211680 | | -352800 | | -352800 | | -211680 | | -70560 | | -10080 |
A137778 formatted as a square array:
| -1 | -2 | -4 | -12 | -48 | -240 | -1440 | -10080 |
| -2 | -8 | -36 | -192 | -1200 | -8640 | -70560 | |
| -4 | -36 | -288 | -2400 | -21600 | -211680 | | |
| -12 | -192 | -2400 | -28800 | -352800 | | | |
| -48 | -1200 | -21600 | -352800 | | | | |
| -240 | -8640 | -211680 | | | | | |
| -1440 | -70560 | | | | | | |
| -10080 | | | | | | | |
A137778 formatted as an upper right triangle:
| -1 | -2 | -4 | -12 | -48 | -240 | -1440 | -10080 |
| -2 | -8 | -36 | -192 | -1200 | -8640 | -70560 |
| | -4 | -36 | -288 | -2400 | -21600 | -211680 |
| | | -12 | -192 | -2400 | -28800 | -352800 |
| | | | -48 | -1200 | -21600 | -352800 |
| | | | | -240 | -8640 | -211680 |
| | | | | | -1440 | -70560 |
| | | | | | | -10080 |
|
