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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 6 |
| 4 | 13 |
| 5 | 58 |
| 6 | 169 |
| 7 | 2197 |
| 8 | 4069 |
| 9 | 4303 |
| 10 | 28561 |
| 11 | 52897 |
| 12 | 89078 |
| 13 | 122681 |
| 14 | 145457 |
| 15 | 234526 |
| 16 | 371293 |
| 17 | 442074 |
| 18 | 687661 |
| 19 | 1273597 |
| 20 | 1558427 |
| 21 | 1664221 |
| 22 | 2684903 |
| 23 | 3080233 |
| 24 | 4826809 |
| 25 | 6589141 |
| 26 | 7104253 |
| 27 | 8939593 |
| 28 | 10178701 |
| 29 | 14273909 |
| 30 | 16556761 |
| 31 | 28194101 |
| 32 | 34903739 |
| 33 | 45643351 |
| 34 | 47154211 |
| 35 | 62748517 |
| 36 | 99341411 |
| 37 | 116214709 |
[1,2,6,13,58,169,2197,4069,4303,28561,52897,89078, 122681,145457,234526,371293,442074,687661,1273597, 1558427,1664221,2684903,3080233,4826809,6589141, 7104253,8939593,10178701,14273909,16556761, 28194101,34903739,45643351,47154211,62748517, 99341411,116214709] |