| n | a(n) |
|---|---|
| 1 | 58 |
| 2 | 118 |
| 3 | 250 |
| 4 | 532 |
| 5 | 1136 |
| 6 | 2480 |
| 7 | 5418 |
| 8 | 11776 |
| 9 | 25694 |
| 10 | 56138 |
| 11 | 122376 |
| 12 | 266782 |
| 13 | 582226 |
| 14 | 1270070 |
| 15 | 2769414 |
| 16 | 6041044 |
| 17 | 13178442 |
| 18 | 28742456 |
| 19 | 62690698 |
| 20 | 136748242 |
| 21 | 298274638 |
| 22 | 650578696 |
| 23 | 1419055920 |
| 24 | 3095272272 |
| 25 | 6751343236 |
| 26 | 14725993444 |
| 27 | 32120472836 |
[58,118,250,532,1136,2480,5418,11776,25694,56138, 122376,266782,582226,1270070,2769414,6041044, 13178442,28742456,62690698,136748242,298274638, 650578696,1419055920,3095272272,6751343236, 14725993444,32120472836] |