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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 4 |
| 4 | 4 |
| 5 | 7 |
| 6 | 13 |
| 7 | 17 |
| 8 | 23 |
| 9 | 34 |
| 10 | 49 |
| 11 | 62 |
| 12 | 87 |
| 13 | 112 |
| 14 | 149 |
| 15 | 199 |
| 16 | 249 |
| 17 | 318 |
| 18 | 408 |
| 19 | 512 |
| 20 | 635 |
| 21 | 820 |
| 22 | 991 |
| 23 | 1238 |
| 24 | 1515 |
| 25 | 1864 |
| 26 | 2248 |
| 27 | 2770 |
| 28 | 3326 |
| 29 | 4030 |
| 30 | 4818 |
| 31 | 5808 |
| 32 | 6882 |
| 33 | 8290 |
| 34 | 9756 |
| 35 | 11639 |
| 36 | 13719 |
| 37 | 16236 |
| 38 | 18999 |
| 39 | 22468 |
| 40 | 26144 |
| 41 | 30724 |
| 42 | 35761 |
| 43 | 41754 |
| 44 | 48357 |
| 45 | 56380 |
| 46 | 65018 |
| 47 | 75438 |
[1,1,4,4,7,13,17,23,34,49,62,87,112,149,199,249, 318,408,512,635,820,991,1238,1515,1864,2248,2770, 3326,4030,4818,5808,6882,8290,9756,11639,13719, 16236,18999,22468,26144,30724,35761,41754,48357, 56380,65018,75438] |