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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 3 |
| 3 | 7 |
| 4 | 16 |
| 5 | 28 |
| 6 | 54 |
| 7 | 90 |
| 8 | 151 |
| 9 | 235 |
| 10 | 366 |
| 11 | 554 |
| 12 | 818 |
| 13 | 1191 |
| 14 | 1707 |
| 15 | 2395 |
| 16 | 3363 |
| 17 | 4638 |
| 18 | 6329 |
| 19 | 8585 |
| 20 | 11526 |
| 21 | 15338 |
| 22 | 20348 |
| 23 | 26750 |
| 24 | 34946 |
| 25 | 45414 |
| 26 | 58751 |
| 27 | 75503 |
| 28 | 96713 |
| 29 | 123252 |
| 30 | 156356 |
| 31 | 197683 |
| 32 | 248934 |
| 33 | 312197 |
| 34 | 390456 |
| 35 | 486471 |
| 36 | 604181 |
| 37 | 748284 |
| 38 | 924026 |
| 39 | 1137591 |
| 40 | 1397085 |
[0,1,3,7,16,28,54,90,151,235,366,554,818,1191, 1707,2395,3363,4638,6329,8585,11526,15338,20348, 26750,34946,45414,58751,75503,96713,123252,156356, 197683,248934,312197,390456,486471,604181,748284, 924026,1137591,1397085] |