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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 8 |
| 4 | 18 |
| 5 | 37 |
| 6 | 70 |
| 7 | 123 |
| 8 | 203 |
| 9 | 318 |
| 10 | 477 |
| 11 | 690 |
| 12 | 968 |
| 13 | 1323 |
| 14 | 1768 |
| 15 | 2317 |
| 16 | 2985 |
| 17 | 3788 |
| 18 | 4743 |
| 19 | 5868 |
| 20 | 7182 |
| 21 | 8705 |
| 22 | 10458 |
| 23 | 12463 |
| 24 | 14743 |
| 25 | 17322 |
| 26 | 20225 |
| 27 | 23478 |
| 28 | 27108 |
| 29 | 31143 |
| 30 | 35612 |
| 31 | 40545 |
| 32 | 45973 |
| 33 | 51928 |
| 34 | 58443 |
| 35 | 65552 |
| 36 | 73290 |
| 37 | 81693 |
| 38 | 90798 |
| 39 | 100643 |
| 40 | 111267 |
| 41 | 122710 |
| 42 | 135013 |
| 43 | 148218 |
| 44 | 162368 |
| 45 | 177507 |
| 46 | 193680 |
[1,3,8,18,37,70,123,203,318,477,690,968,1323,1768, 2317,2985,3788,4743,5868,7182,8705,10458,12463, 14743,17322,20225,23478,27108,31143,35612,40545, 45973,51928,58443,65552,73290,81693,90798,100643, 111267,122710,135013,148218,162368,177507,193680] |