A154680 as a triangular array
| | | | | | | | | | | 2 |
| | | | | | | | | | | 5 | | 10 |
| | | | | | | | | | 8 | | 15 | | 22 |
| | | | | | | | | 11 | | 20 | | 29 | | 38 |
| | | | | | | | 14 | | 25 | | 36 | | 47 | | 58 |
| | | | | | | 17 | | 30 | | 43 | | 56 | | 69 | | 82 |
| | | | | | 20 | | 35 | | 50 | | 65 | | 80 | | 95 | | 110 |
| | | | | 23 | | 40 | | 57 | | 74 | | 91 | | 108 | | 125 | | 142 |
| | | | 26 | | 45 | | 64 | | 83 | | 102 | | 121 | | 140 | | 159 | | 178 |
| | | 29 | | 50 | | 71 | | 92 | | 113 | | 134 | | 155 | | 176 | | 197 | | 218 |
| | 32 | | 55 | | 78 | | 101 | | 124 | | 147 | | 170 | | 193 | | 216 | | 239 | | 262 |
|
A154680 as a square array
2 | 5 | 8 | 11 | 14 | 17 | 20 | 23 | 26 | 29 | 32
| 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55
| 22 | 29 | 36 | 43 | 50 | 57 | 64 | 71 | 78
| 38 | 47 | 56 | 65 | 74 | 83 | 92 | 101
| 58 | 69 | 80 | 91 | 102 | 113 | 124
| 82 | 95 | 108 | 121 | 134 | 147
| 110 | 125 | 140 | 155 | 170
| 142 | 159 | 176 | 193
| 178 | 197 | 216
| 218 | 239
| 262
|
A154680 as an upper right triangle
2 | 5 | 8 | 11 | 14 | 17 | 20 | 23 | 26 | 29 | 32
| | 10 | 15 | 20 | 25 | 30 | 35 | 40 | 45 | 50 | 55
| | | 22 | 29 | 36 | 43 | 50 | 57 | 64 | 71 | 78
| | | | 38 | 47 | 56 | 65 | 74 | 83 | 92 | 101
| | | | | 58 | 69 | 80 | 91 | 102 | 113 | 124
| | | | | | 82 | 95 | 108 | 121 | 134 | 147
| | | | | | | 110 | 125 | 140 | 155 | 170
| | | | | | | | 142 | 159 | 176 | 193
| | | | | | | | | 178 | 197 | 216
| | | | | | | | | | 218 | 239
| | | | | | | | | | | 262
|
|