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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 4 |
| 6 | 7 |
| 7 | 9 |
| 8 | 13 |
| 9 | 22 |
| 10 | 31 |
| 11 | 40 |
| 12 | 53 |
| 13 | 75 |
| 14 | 98 |
| 15 | 126 |
| 16 | 156 |
| 17 | 215 |
| 18 | 272 |
| 19 | 375 |
| 20 | 461 |
| 21 | 602 |
| 22 | 743 |
| 23 | 971 |
| 24 | 1175 |
| 25 | 1491 |
| 26 | 1817 |
| 27 | 2359 |
| 28 | 2831 |
| 29 | 3499 |
| 30 | 4210 |
| 31 | 5326 |
| 32 | 6329 |
| 33 | 7956 |
| 34 | 9501 |
| 35 | 11833 |
| 36 | 13994 |
| 37 | 17155 |
| 38 | 20324 |
| 39 | 24845 |
| 40 | 29189 |
| 41 | 35688 |
| 42 | 42016 |
| 43 | 50803 |
| 44 | 59379 |
| 45 | 71893 |
| 46 | 84106 |
| 47 | 100369 |
| 48 | 116691 |
[0,1,2,4,4,7,9,13,22,31,40,53,75,98,126,156,215, 272,375,461,602,743,971,1175,1491,1817,2359,2831, 3499,4210,5326,6329,7956,9501,11833,13994,17155, 20324,24845,29189,35688,42016,50803,59379,71893, 84106,100369,116691] |