A178238 as a triangular array
| | | | | | | | | | | 1 |
| | | | | | | | | | | 3 | | 3 |
| | | | | | | | | | 7 | | 8 | | 6 |
| | | | | | | | | 14 | | 16 | | 15 | | 10 |
| | | | | | | | 25 | | 28 | | 28 | | 24 | | 15 |
| | | | | | | 41 | | 45 | | 46 | | 43 | | 35 | | 21 |
| | | | | | 63 | | 68 | | 70 | | 68 | | 61 | | 48 | | 28 |
| | | | | 92 | | 98 | | 101 | | 100 | | 94 | | 82 | | 63 | | 36 |
| | | | 129 | | 136 | | 140 | | 140 | | 135 | | 124 | | 106 | | 80 | | 45 |
| | | 175 | | 183 | | 188 | | 189 | | 185 | | 175 | | 158 | | 133 | | 99 | | 55 |
| | 231 | | 240 | | 246 | | 248 | | 245 | | 236 | | 220 | | 196 | | 163 | | 120 | | 66 |
|
A178238 as a square array
1 | 3 | 7 | 14 | 25 | 41 | 63 | 92 | 129 | 175 | 231
| 3 | 8 | 16 | 28 | 45 | 68 | 98 | 136 | 183 | 240
| 6 | 15 | 28 | 46 | 70 | 101 | 140 | 188 | 246
| 10 | 24 | 43 | 68 | 100 | 140 | 189 | 248
| 15 | 35 | 61 | 94 | 135 | 185 | 245
| 21 | 48 | 82 | 124 | 175 | 236
| 28 | 63 | 106 | 158 | 220
| 36 | 80 | 133 | 196
| 45 | 99 | 163
| 55 | 120
| 66
|
A178238 as an upper right triangle
1 | 3 | 7 | 14 | 25 | 41 | 63 | 92 | 129 | 175 | 231
| | 3 | 8 | 16 | 28 | 45 | 68 | 98 | 136 | 183 | 240
| | | 6 | 15 | 28 | 46 | 70 | 101 | 140 | 188 | 246
| | | | 10 | 24 | 43 | 68 | 100 | 140 | 189 | 248
| | | | | 15 | 35 | 61 | 94 | 135 | 185 | 245
| | | | | | 21 | 48 | 82 | 124 | 175 | 236
| | | | | | | 28 | 63 | 106 | 158 | 220
| | | | | | | | 36 | 80 | 133 | 196
| | | | | | | | | 45 | 99 | 163
| | | | | | | | | | 55 | 120
| | | | | | | | | | | 66
|
|