| n | a(n) |
|---|---|
| 1 | 3 |
| 2 | 4 |
| 3 | 5 |
| 4 | 10 |
| 5 | 13 |
| 6 | 28 |
| 7 | 39 |
| 8 | 86 |
| 9 | 123 |
| 10 | 272 |
| 11 | 393 |
| 12 | 870 |
| 13 | 1261 |
| 14 | 2792 |
| 15 | 4051 |
| 16 | 8970 |
| 17 | 13019 |
| 18 | 28828 |
| 19 | 41845 |
| 20 | 92658 |
| 21 | 134501 |
| 22 | 297828 |
| 23 | 432327 |
| 24 | 957310 |
| 25 | 1389635 |
| 26 | 3077096 |
| 27 | 4466729 |
| 28 | 9890766 |
| 29 | 14357493 |
| 30 | 31792080 |
| 31 | 46149571 |
| 32 | 102189906 |
| 33 | 148339475 |
| 34 | 328471028 |
| 35 | 476810501 |
| 36 | 1055810906 |
| 37 | 1532621405 |
| 38 | 3393713836 |
[3,4,5,10,13,28,39,86,123,272,393,870,1261,2792, 4051,8970,13019,28828,41845,92658,134501,297828, 432327,957310,1389635,3077096,4466729,9890766, 14357493,31792080,46149571,102189906,148339475, 328471028,476810501,1055810906,1532621405, 3393713836] |