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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 7 |
| 3 | 22 |
| 4 | 50 |
| 5 | 96 |
| 6 | 163 |
| 7 | 255 |
| 8 | 378 |
| 9 | 534 |
| 10 | 730 |
| 11 | 969 |
| 12 | 1255 |
| 13 | 1592 |
| 14 | 1982 |
| 15 | 2434 |
| 16 | 2949 |
| 17 | 3533 |
| 18 | 4188 |
| 19 | 4918 |
| 20 | 5732 |
| 21 | 6629 |
| 22 | 7617 |
| 23 | 8696 |
| 24 | 9876 |
| 25 | 11154 |
| 26 | 12539 |
| 27 | 14037 |
| 28 | 15646 |
| 29 | 17378 |
| 30 | 19230 |
| 31 | 21209 |
| 32 | 23321 |
| 33 | 25568 |
| 34 | 27957 |
| 35 | 30487 |
| 36 | 33166 |
| 37 | 36000 |
| 38 | 38989 |
| 39 | 42140 |
[0,1,7,22,50,96,163,255,378,534,730,969,1255,1592, 1982,2434,2949,3533,4188,4918,5732,6629,7617,8696, 9876,11154,12539,14037,15646,17378,19230,21209, 23321,25568,27957,30487,33166,36000,38989,42140] |