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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 2 |
| 3 | 4 |
| 4 | 6 |
| 5 | 10 |
| 6 | 14 |
| 7 | 19 |
| 8 | 24 |
| 9 | 31 |
| 10 | 38 |
| 11 | 45 |
| 12 | 53 |
| 13 | 63 |
| 14 | 72 |
| 15 | 82 |
| 16 | 92 |
| 17 | 105 |
| 18 | 118 |
| 19 | 132 |
| 20 | 145 |
| 21 | 160 |
| 22 | 175 |
| 23 | 191 |
| 24 | 208 |
| 25 | 225 |
| 26 | 244 |
| 27 | 263 |
| 28 | 282 |
| 29 | 302 |
| 30 | 322 |
| 31 | 344 |
| 32 | 366 |
| 33 | 389 |
| 34 | 413 |
| 35 | 438 |
| 36 | 462 |
| 37 | 488 |
| 38 | 515 |
| 39 | 540 |
| 40 | 568 |
| 41 | 597 |
| 42 | 626 |
| 43 | 655 |
| 44 | 685 |
| 45 | 716 |
| 46 | 749 |
| 47 | 782 |
| 48 | 815 |
| 49 | 849 |
| 50 | 884 |
| 51 | 919 |
| 52 | 956 |
| 53 | 992 |
| 54 | 1031 |
| 55 | 1068 |
| 56 | 1106 |
| 57 | 1146 |
| 58 | 1188 |
| 59 | 1228 |
| 60 | 1270 |
| 61 | 1312 |
| 62 | 1355 |
| 63 | 1397 |
| 64 | 1442 |
| 65 | 1487 |
| 66 | 1532 |
| 67 | 1580 |
| 68 | 1625 |
[0,1,2,4,6,10,14,19,24,31,38,45,53,63,72,82,92, 105,118,132,145,160,175,191,208,225,244,263,282, 302,322,344,366,389,413,438,462,488,515,540,568, 597,626,655,685,716,749,782,815,849,884,919,956, 992,1031,1068,1106,1146,1188,1228,1270,1312,1355, 1397,1442,1487,1532,1580,1625] |