A155551 as a triangular array
| | | | | | | | | | | -5 |
| | | | | | | | | | | -2 | | 3 |
| | | | | | | | | | 1 | | 8 | | 15 |
| | | | | | | | | 4 | | 13 | | 22 | | 31 |
| | | | | | | | 7 | | 18 | | 29 | | 40 | | 51 |
| | | | | | | 10 | | 23 | | 36 | | 49 | | 62 | | 75 |
| | | | | | 13 | | 28 | | 43 | | 58 | | 73 | | 88 | | 103 |
| | | | | 16 | | 33 | | 50 | | 67 | | 84 | | 101 | | 118 | | 135 |
| | | | 19 | | 38 | | 57 | | 76 | | 95 | | 114 | | 133 | | 152 | | 171 |
| | | 22 | | 43 | | 64 | | 85 | | 106 | | 127 | | 148 | | 169 | | 190 | | 211 |
| | 25 | | 48 | | 71 | | 94 | | 117 | | 140 | | 163 | | 186 | | 209 |
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A155551 as a square array
-5 | -2 | 1 | 4 | 7 | 10 | 13 | 16 | 19 | 22 | 25
| 3 | 8 | 13 | 18 | 23 | 28 | 33 | 38 | 43 | 48
| 15 | 22 | 29 | 36 | 43 | 50 | 57 | 64 | 71
| 31 | 40 | 49 | 58 | 67 | 76 | 85 | 94
| 51 | 62 | 73 | 84 | 95 | 106 | 117
| 75 | 88 | 101 | 114 | 127 | 140
| 103 | 118 | 133 | 148 | 163
| 135 | 152 | 169 | 186
| 171 | 190 | 209
| 211
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A155551 as an upper right triangle
-5 | -2 | 1 | 4 | 7 | 10 | 13 | 16 | 19 | 22 | 25
| | 3 | 8 | 13 | 18 | 23 | 28 | 33 | 38 | 43 | 48
| | | 15 | 22 | 29 | 36 | 43 | 50 | 57 | 64 | 71
| | | | 31 | 40 | 49 | 58 | 67 | 76 | 85 | 94
| | | | | 51 | 62 | 73 | 84 | 95 | 106 | 117
| | | | | | 75 | 88 | 101 | 114 | 127 | 140
| | | | | | | 103 | 118 | 133 | 148 | 163
| | | | | | | | 135 | 152 | 169 | 186
| | | | | | | | | 171 | 190 | 209
| | | | | | | | | | 211
| | | | | | | | | |
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|