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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 106 |
| 6 | 388 |
| 7 | 930 |
| 8 | 2999 |
| 9 | 3127 |
| 10 | 3974 |
| 11 | 4982 |
| 12 | 5154 |
| 13 | 6350 |
| 14 | 6612 |
| 15 | 6750 |
| 16 | 7661 |
| 17 | 7693 |
| 18 | 8783 |
| 19 | 10156 |
| 20 | 10465 |
| 21 | 11989 |
| 22 | 13101 |
| 23 | 13266 |
| 24 | 15349 |
| 25 | 15351 |
| 26 | 17476 |
| 27 | 18087 |
| 28 | 19305 |
| 29 | 20670 |
| 30 | 21434 |
| 31 | 22671 |
| 32 | 23134 |
| 33 | 23613 |
| 34 | 23667 |
| 35 | 24493 |
| 36 | 24509 |
| 37 | 25780 |
| 38 | 27474 |
| 39 | 28764 |
| 40 | 30457 |
[1,2,4,7,106,388,930,2999,3127,3974,4982,5154, 6350,6612,6750,7661,7693,8783,10156,10465,11989, 13101,13266,15349,15351,17476,18087,19305,20670, 21434,22671,23134,23613,23667,24493,24509,25780, 27474,28764,30457] |