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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 1 |
| 3 | 1 |
| 4 | 1 |
| 5 | 1 |
| 6 | 1 |
| 7 | 1 |
| 8 | 1 |
| 9 | 2 |
| 10 | 3 |
| 11 | 4 |
| 12 | 5 |
| 13 | 6 |
| 14 | 7 |
| 15 | 8 |
| 16 | 9 |
| 17 | 11 |
| 18 | 13 |
| 19 | 16 |
| 20 | 20 |
| 21 | 25 |
| 22 | 31 |
| 23 | 38 |
| 24 | 46 |
| 25 | 55 |
| 26 | 67 |
| 27 | 81 |
| 28 | 98 |
| 29 | 119 |
| 30 | 145 |
| 31 | 177 |
| 32 | 216 |
| 33 | 263 |
| 34 | 320 |
| 35 | 389 |
| 36 | 473 |
| 37 | 575 |
| 38 | 699 |
| 39 | 850 |
| 40 | 1034 |
| 41 | 1258 |
| 42 | 1530 |
| 43 | 1862 |
| 44 | 2265 |
| 45 | 2755 |
| 46 | 3351 |
| 47 | 4076 |
| 48 | 4958 |
| 49 | 6031 |
| 50 | 7336 |
| 51 | 8923 |
| 52 | 10854 |
| 53 | 13203 |
| 54 | 16060 |
| 55 | 19535 |
| 56 | 23762 |
[1,1,1,1,1,1,1,1,1,2,3,4,5,6,7,8,9,11,13,16,20,25, 31,38,46,55,67,81,98,119,145,177,216,263,320,389, 473,575,699,850,1034,1258,1530,1862,2265,2755, 3351,4076,4958,6031,7336,8923,10854,13203,16060, 19535,23762] |