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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 0 |
| 3 | 0 |
| 4 | 0 |
| 5 | 1 |
| 6 | 1 |
| 7 | 2 |
| 8 | 3 |
| 9 | 5 |
| 10 | 6 |
| 11 | 9 |
| 12 | 11 |
| 13 | 15 |
| 14 | 18 |
| 15 | 23 |
| 16 | 27 |
| 17 | 34 |
| 18 | 39 |
| 19 | 47 |
| 20 | 55 |
| 21 | 65 |
| 22 | 74 |
| 23 | 87 |
| 24 | 99 |
| 25 | 115 |
| 26 | 131 |
| 27 | 151 |
| 28 | 172 |
| 29 | 199 |
| 30 | 226 |
| 31 | 260 |
| 32 | 298 |
| 33 | 343 |
| 34 | 393 |
| 35 | 454 |
| 36 | 522 |
| 37 | 603 |
| 38 | 696 |
| 39 | 804 |
| 40 | 929 |
| 41 | 1076 |
| 42 | 1243 |
| 43 | 1438 |
| 44 | 1664 |
| 45 | 1924 |
| 46 | 2222 |
| 47 | 2567 |
| 48 | 2961 |
| 49 | 3413 |
| 50 | 3931 |
| 51 | 4520 |
| 52 | 5193 |
| 53 | 5959 |
| 54 | 6827 |
| 55 | 7811 |
| 56 | 8928 |
| 57 | 10186 |
| 58 | 11607 |
| 59 | 13208 |
| 60 | 15008 |
| 61 | 17028 |
| 62 | 19297 |
[0,0,0,0,1,1,2,3,5,6,9,11,15,18,23,27,34,39,47,55, 65,74,87,99,115,131,151,172,199,226,260,298,343, 393,454,522,603,696,804,929,1076,1243,1438,1664, 1924,2222,2567,2961,3413,3931,4520,5193,5959,6827, 7811,8928,10186,11607,13208,15008,17028,19297] |