A172157 as a triangular array
| | | | | | | | | | | -1 |
| | | | | | | | | | | -1 | | -3 |
| | | | | | | | | | -1 | | -8 | | -5 |
| | | | | | | | | -1 | | -15 | | -3 | | -7 |
| | | | | | | | -1 | | -24 | | -21 | | -16 | | -9 |
| | | | | | | -1 | | -35 | | -2 | | -1 | | -5 | | -11 |
| | | | | | -1 | | -48 | | -45 | | -40 | | -33 | | -24 | | -13 |
| | | | | -1 | | -63 | | -15 | | -55 | | -3 | | -39 | | -7 | | -15 |
| | | | -1 | | -80 | | -77 | | -8 | | -65 | | -56 | | -5 | | -32 | | -17 |
| | | -1 | | -99 | | -6 | | -91 | | -21 | | -3 | | -4 | | -51 | | -9 | | -19 |
| | -1 | | -120 | | -117 | | -112 |
|
A172157 as a square array
-1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| -3 | -8 | -15 | -24 | -35 | -48 | -63 | -80 | -99 | -120
| -5 | -3 | -21 | -2 | -45 | -15 | -77 | -6 | -117
| -7 | -16 | -1 | -40 | -55 | -8 | -91 | -112
| -9 | -5 | -33 | -3 | -65 | -21
| -11 | -24 | -39 | -56 | -3
| -13 | -7 | -5 | -4
| -15 | -32 | -51
| -17 | -9
| -19
|
A172157 as an upper right triangle
-1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1 | -1
| | -3 | -8 | -15 | -24 | -35 | -48 | -63 | -80 | -99 | -120
| | | -5 | -3 | -21 | -2 | -45 | -15 | -77 | -6 | -117
| | | | -7 | -16 | -1 | -40 | -55 | -8 | -91 | -112
| | | | | -9 | -5 | -33 | -3 | -65 | -21
| | | | | | -11 | -24 | -39 | -56 | -3
| | | | | | | -13 | -7 | -5 | -4
| | | | | | | | -15 | -32 | -51
| | | | | | | | | -17 | -9
| | | | | | | | | | -19
| | | | | | | | | |
|
|