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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 2 |
| 3 | 2 |
| 4 | 4 |
| 5 | 4 |
| 6 | 7 |
| 7 | 7 |
| 8 | 11 |
| 9 | 12 |
| 10 | 17 |
| 11 | 18 |
| 12 | 26 |
| 13 | 28 |
| 14 | 37 |
| 15 | 40 |
| 16 | 53 |
| 17 | 57 |
| 18 | 74 |
| 19 | 79 |
| 20 | 101 |
| 21 | 109 |
| 22 | 136 |
| 23 | 145 |
| 24 | 181 |
| 25 | 195 |
| 26 | 237 |
| 27 | 255 |
| 28 | 308 |
| 29 | 332 |
| 30 | 397 |
| 31 | 427 |
| 32 | 506 |
| 33 | 546 |
| 34 | 641 |
| 35 | 688 |
| 36 | 807 |
| 37 | 868 |
| 38 | 1007 |
| 39 | 1081 |
| 40 | 1250 |
| 41 | 1342 |
| 42 | 1544 |
| 43 | 1655 |
| 44 | 1893 |
| 45 | 2033 |
| 46 | 2313 |
| 47 | 2477 |
| 48 | 2812 |
| 49 | 3015 |
| 50 | 3403 |
| 51 | 3644 |
| 52 | 4102 |
| 53 | 4390 |
[1,1,2,2,4,4,7,7,11,12,17,18,26,28,37,40,53,57,74, 79,101,109,136,145,181,195,237,255,308,332,397, 427,506,546,641,688,807,868,1007,1081,1250,1342, 1544,1655,1893,2033,2313,2477,2812,3015,3403,3644, 4102,4390] |