A109161 as a triangular array
| | | | | | | | | | | 5 |
| | | | | | | | | | | 15 | | 16 |
| | | | | | | | | | 27 | | 28 | | 29 |
| | | | | | | | | 41 | | 42 | | 43 | | 44 |
| | | | | | | | 57 | | 58 | | 59 | | 60 | | 61 |
| | | | | | | 75 | | 76 | | 77 | | 78 | | 79 | | 80 |
| | | | | | 95 | | 96 | | 97 | | 98 | | 99 | | 100 | | 101 |
| | | | | 117 | | 118 | | 119 | | 120 | | 121 | | 122 | | 123 | | 124 |
| | | | 141 | | 142 | | 143 | | 144 | | 145 | | 146 | | 147 | | 148 | | 149 |
| | | 167 | | 168 | | 169 | | 170 | | 171 | | 172 | | 173 | | 174 | | 175 | | 176 |
| | 195 | | 196 | | 197 | | 198 | | 199 | | 200 | | 201 | | 202 | | 203 | | 204 | | 205 |
|
A109161 as a square array
5 | 15 | 27 | 41 | 57 | 75 | 95 | 117 | 141 | 167 | 195
| 16 | 28 | 42 | 58 | 76 | 96 | 118 | 142 | 168 | 196
| 29 | 43 | 59 | 77 | 97 | 119 | 143 | 169 | 197
| 44 | 60 | 78 | 98 | 120 | 144 | 170 | 198
| 61 | 79 | 99 | 121 | 145 | 171 | 199
| 80 | 100 | 122 | 146 | 172 | 200
| 101 | 123 | 147 | 173 | 201
| 124 | 148 | 174 | 202
| 149 | 175 | 203
| 176 | 204
| 205
|
A109161 as an upper right triangle
5 | 15 | 27 | 41 | 57 | 75 | 95 | 117 | 141 | 167 | 195
| | 16 | 28 | 42 | 58 | 76 | 96 | 118 | 142 | 168 | 196
| | | 29 | 43 | 59 | 77 | 97 | 119 | 143 | 169 | 197
| | | | 44 | 60 | 78 | 98 | 120 | 144 | 170 | 198
| | | | | 61 | 79 | 99 | 121 | 145 | 171 | 199
| | | | | | 80 | 100 | 122 | 146 | 172 | 200
| | | | | | | 101 | 123 | 147 | 173 | 201
| | | | | | | | 124 | 148 | 174 | 202
| | | | | | | | | 149 | 175 | 203
| | | | | | | | | | 176 | 204
| | | | | | | | | | | 205
|
|