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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 11 |
| 4 | 32 |
| 5 | 76 |
| 6 | 156 |
| 7 | 288 |
| 8 | 491 |
| 9 | 787 |
| 10 | 1201 |
| 11 | 1761 |
| 12 | 2498 |
| 13 | 3446 |
| 14 | 4642 |
| 15 | 6126 |
| 16 | 7941 |
| 17 | 10133 |
| 18 | 12751 |
| 19 | 15847 |
| 20 | 19476 |
| 21 | 23696 |
| 22 | 28568 |
| 23 | 34156 |
| 24 | 40527 |
| 25 | 47751 |
| 26 | 55901 |
| 27 | 65053 |
| 28 | 75286 |
| 29 | 86682 |
| 30 | 99326 |
| 31 | 113306 |
| 32 | 128713 |
| 33 | 145641 |
| 34 | 164187 |
| 35 | 184451 |
| 36 | 206536 |
| 37 | 230548 |
| 38 | 256596 |
[1,3,11,32,76,156,288,491,787,1201,1761,2498,3446, 4642,6126,7941,10133,12751,15847,19476,23696, 28568,34156,40527,47751,55901,65053,75286,86682, 99326,113306,128713,145641,164187,184451,206536, 230548,256596] |