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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 3 |
| 2 | 8 |
| 3 | 19 |
| 4 | 41 |
| 5 | 81 |
| 6 | 148 |
| 7 | 253 |
| 8 | 409 |
| 9 | 631 |
| 10 | 936 |
| 11 | 1343 |
| 12 | 1873 |
| 13 | 2549 |
| 14 | 3396 |
| 15 | 4441 |
| 16 | 5713 |
| 17 | 7243 |
| 18 | 9064 |
| 19 | 11211 |
| 20 | 13721 |
| 21 | 16633 |
| 22 | 19988 |
| 23 | 23829 |
| 24 | 28201 |
| 25 | 33151 |
| 26 | 38728 |
| 27 | 44983 |
| 28 | 51969 |
| 29 | 59741 |
| 30 | 68356 |
| 31 | 77873 |
| 32 | 88353 |
| 33 | 99859 |
| 34 | 112456 |
| 35 | 126211 |
| 36 | 141193 |
| 37 | 157473 |
| 38 | 175124 |
| 39 | 194221 |
| 40 | 214841 |
| 41 | 237063 |
| 42 | 260968 |
| 43 | 286639 |
[1,3,8,19,41,81,148,253,409,631,936,1343,1873, 2549,3396,4441,5713,7243,9064,11211,13721,16633, 19988,23829,28201,33151,38728,44983,51969,59741, 68356,77873,88353,99859,112456,126211,141193, 157473,175124,194221,214841,237063,260968,286639] |