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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 0 |
| 3 | 1 |
| 4 | 2 |
| 5 | 3 |
| 6 | 5 |
| 7 | 7 |
| 8 | 9 |
| 9 | 12 |
| 10 | 15 |
| 11 | 19 |
| 12 | 23 |
| 13 | 28 |
| 14 | 34 |
| 15 | 40 |
| 16 | 46 |
| 17 | 54 |
| 18 | 62 |
| 19 | 70 |
| 20 | 80 |
| 21 | 90 |
| 22 | 101 |
| 23 | 112 |
| 24 | 125 |
| 25 | 138 |
| 26 | 152 |
| 27 | 167 |
| 28 | 183 |
| 29 | 200 |
| 30 | 218 |
| 31 | 237 |
| 32 | 257 |
| 33 | 278 |
| 34 | 300 |
| 35 | 323 |
| 36 | 347 |
| 37 | 372 |
| 38 | 398 |
| 39 | 426 |
| 40 | 455 |
| 41 | 485 |
| 42 | 516 |
| 43 | 548 |
| 44 | 582 |
| 45 | 617 |
| 46 | 653 |
| 47 | 691 |
| 48 | 730 |
| 49 | 770 |
| 50 | 812 |
| 51 | 855 |
| 52 | 900 |
| 53 | 946 |
| 54 | 994 |
| 55 | 1043 |
| 56 | 1094 |
| 57 | 1147 |
[0,0,0,1,2,3,5,7,9,12,15,19,23,28,34,40,46,54,62, 70,80,90,101,112,125,138,152,167,183,200,218,237, 257,278,300,323,347,372,398,426,455,485,516,548, 582,617,653,691,730,770,812,855,900,946,994,1043, 1094,1147] |