The OEIS is supported by the many generous donors to the OEIS Foundation.
A224131 as a simple table
| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 49 |
| 3 | 269 |
| 4 | 1279 |
| 5 | 5648 |
| 6 | 24095 |
| 7 | 101412 |
| 8 | 425246 |
| 9 | 1783229 |
| 10 | 7484923 |
| 11 | 31443217 |
| 12 | 132153826 |
| 13 | 555559627 |
| 14 | 2335689630 |
| 15 | 9819848422 |
| 16 | 41284852413 |
| 17 | 173569002429 |
| 18 | 729710418743 |
| 19 | 3067802281464 |
| 20 | 12897441557475 |
| 21 | 54222509714920 |
[7,49,269,1279,5648,24095,101412,425246,1783229, 7484923,31443217,132153826,555559627,2335689630, 9819848422,41284852413,173569002429,729710418743, 3067802281464,12897441557475,54222509714920] |