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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 2 |
| 3 | 4 |
| 4 | 7 |
| 5 | 11 |
| 6 | 16 |
| 7 | 22 |
| 8 | 28 |
| 9 | 35 |
| 10 | 43 |
| 11 | 51 |
| 12 | 60 |
| 13 | 70 |
| 14 | 81 |
| 15 | 93 |
| 16 | 105 |
| 17 | 118 |
| 18 | 132 |
| 19 | 146 |
| 20 | 161 |
| 21 | 177 |
| 22 | 194 |
| 23 | 212 |
| 24 | 230 |
| 25 | 249 |
| 26 | 269 |
| 27 | 289 |
| 28 | 310 |
| 29 | 332 |
| 30 | 355 |
| 31 | 379 |
| 32 | 403 |
| 33 | 428 |
| 34 | 454 |
| 35 | 480 |
| 36 | 507 |
| 37 | 535 |
| 38 | 564 |
| 39 | 594 |
| 40 | 624 |
| 41 | 655 |
| 42 | 687 |
| 43 | 719 |
| 44 | 752 |
| 45 | 786 |
| 46 | 821 |
| 47 | 857 |
| 48 | 893 |
| 49 | 930 |
| 50 | 968 |
| 51 | 1006 |
| 52 | 1045 |
| 53 | 1085 |
| 54 | 1126 |
| 55 | 1168 |
| 56 | 1210 |
| 57 | 1253 |
| 58 | 1297 |
| 59 | 1341 |
| 60 | 1386 |
| 61 | 1432 |
[0,2,4,7,11,16,22,28,35,43,51,60,70,81,93,105,118, 132,146,161,177,194,212,230,249,269,289,310,332, 355,379,403,428,454,480,507,535,564,594,624,655, 687,719,752,786,821,857,893,930,968,1006,1045, 1085,1126,1168,1210,1253,1297,1341,1386,1432] |