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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 2 |
| 2 | 5 |
| 3 | 8 |
| 4 | 18 |
| 5 | 28 |
| 6 | 50 |
| 7 | 72 |
| 8 | 129 |
| 9 | 186 |
| 10 | 301 |
| 11 | 416 |
| 12 | 664 |
| 13 | 912 |
| 14 | 1368 |
| 15 | 1824 |
| 16 | 2730 |
| 17 | 3636 |
| 18 | 5234 |
| 19 | 6832 |
| 20 | 9788 |
| 21 | 12744 |
| 22 | 17724 |
| 23 | 22704 |
| 24 | 31506 |
| 25 | 40308 |
| 26 | 54730 |
| 27 | 69152 |
| 28 | 93592 |
| 29 | 118032 |
| 30 | 156888 |
| 31 | 195744 |
| 32 | 259625 |
| 33 | 323506 |
| 34 | 423021 |
| 35 | 522536 |
| 36 | 681642 |
| 37 | 840748 |
| 38 | 1083402 |
| 39 | 1326056 |
| 40 | 1705665 |
[1,2,5,8,18,28,50,72,129,186,301,416,664,912,1368, 1824,2730,3636,5234,6832,9788,12744,17724,22704, 31506,40308,54730,69152,93592,118032,156888, 195744,259625,323506,423021,522536,681642,840748, 1083402,1326056,1705665] |