The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 7 |
| 2 | 25 |
| 3 | 60 |
| 4 | 118 |
| 5 | 206 |
| 6 | 329 |
| 7 | 494 |
| 8 | 705 |
| 9 | 971 |
| 10 | 1296 |
| 11 | 1686 |
| 12 | 2147 |
| 13 | 2686 |
| 14 | 3308 |
| 15 | 4020 |
| 16 | 4827 |
| 17 | 5736 |
| 18 | 6752 |
| 19 | 7881 |
| 20 | 9130 |
| 21 | 10504 |
| 22 | 12009 |
| 23 | 13652 |
| 24 | 15439 |
| 25 | 17374 |
| 26 | 19466 |
| 27 | 21718 |
| 28 | 24138 |
| 29 | 26731 |
| 30 | 29504 |
| 31 | 32462 |
| 32 | 35612 |
| 33 | 38959 |
| 34 | 42509 |
| 35 | 46269 |
| 36 | 50244 |
| 37 | 54440 |
| 38 | 58864 |
| 39 | 63522 |
[7,25,60,118,206,329,494,705,971,1296,1686,2147, 2686,3308,4020,4827,5736,6752,7881,9130,10504, 12009,13652,15439,17374,19466,21718,24138,26731, 29504,32462,35612,38959,42509,46269,50244,54440, 58864,63522] |