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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 2 |
| 4 | 4 |
| 5 | 5 |
| 6 | 7 |
| 7 | 10 |
| 8 | 15 |
| 9 | 21 |
| 10 | 28 |
| 11 | 37 |
| 12 | 50 |
| 13 | 67 |
| 14 | 88 |
| 15 | 115 |
| 16 | 150 |
| 17 | 193 |
| 18 | 248 |
| 19 | 317 |
| 20 | 402 |
| 21 | 508 |
| 22 | 640 |
| 23 | 802 |
| 24 | 1002 |
| 25 | 1248 |
| 26 | 1545 |
| 27 | 1908 |
| 28 | 2351 |
| 29 | 2887 |
| 30 | 3532 |
| 31 | 4313 |
| 32 | 5251 |
| 33 | 6377 |
| 34 | 7724 |
| 35 | 9334 |
| 36 | 11254 |
| 37 | 13541 |
| 38 | 16253 |
| 39 | 19473 |
| 40 | 23286 |
| 41 | 27791 |
| 42 | 33100 |
| 43 | 39362 |
| 44 | 46723 |
| 45 | 55370 |
| 46 | 65504 |
| 47 | 77377 |
| 48 | 91257 |
| 49 | 107477 |
| 50 | 126380 |
[1,1,1,2,4,5,7,10,15,21,28,37,50,67,88,115,150, 193,248,317,402,508,640,802,1002,1248,1545,1908, 2351,2887,3532,4313,5251,6377,7724,9334,11254, 13541,16253,19473,23286,27791,33100,39362,46723, 55370,65504,77377,91257,107477,126380] |