| n | a(n) |
|---|---|
| 1 | 2 |
| 2 | 4 |
| 3 | 8 |
| 4 | 10 |
| 5 | 14 |
| 6 | 20 |
| 7 | 22 |
| 8 | 28 |
| 9 | 32 |
| 10 | 34 |
| 11 | 38 |
| 12 | 44 |
| 13 | 50 |
| 14 | 52 |
| 15 | 182 |
| 16 | 242 |
| 17 | 284 |
| 18 | 528 |
| 19 | 868 |
| 20 | 5246 |
| 21 | 8473 |
| 22 | 8784 |
| 23 | 48503 |
| 24 | 48509 |
| 25 | 146065 |
| 26 | 438122 |
| 27 | 591216 |
| 28 | 1312724 |
| 29 | 4325171 |
| 30 | 6629045 |
| 31 | 6823284 |
| 32 | 56075700 |
| 33 | 154392832 |
| 34 | 248932942 |
| 35 | 251237694 |
| 36 | 1913253200 |
| 37 | 3123337916 |
| 38 | 3180792660 |
[2,4,8,10,14,20,22,28,32,34,38,44,50,52,182,242, 284,528,868,5246,8473,8784,48503,48509,146065, 438122,591216,1312724,4325171,6629045,6823284, 56075700,154392832,248932942,251237694,1913253200, 3123337916,3180792660] |