| n | a(n) |
|---|---|
| 2 | 0 |
| 3 | 1 |
| 4 | 3 |
| 5 | 4 |
| 6 | 7 |
| 7 | 11 |
| 8 | 16 |
| 9 | 20 |
| 10 | 24 |
| 11 | 31 |
| 12 | 39 |
| 13 | 44 |
| 14 | 53 |
| 15 | 63 |
| 16 | 74 |
| 17 | 80 |
| 18 | 92 |
| 19 | 103 |
| 20 | 117 |
| 21 | 128 |
| 22 | 141 |
| 23 | 157 |
| 24 | 174 |
| 25 | 186 |
| 26 | 200 |
| 27 | 219 |
| 28 | 237 |
| 29 | 252 |
| 30 | 273 |
| 31 | 293 |
| 32 | 316 |
| 33 | 332 |
| 34 | 352 |
| 35 | 377 |
| 36 | 403 |
| 37 | 420 |
| 38 | 445 |
| 39 | 473 |
| 40 | 500 |
| 41 | 520 |
| 42 | 548 |
| 43 | 575 |
| 44 | 607 |
| 45 | 634 |
| 46 | 663 |
| 47 | 695 |
| 48 | 730 |
| 49 | 756 |
| 50 | 786 |
| 51 | 819 |
| 52 | 853 |
| 53 | 884 |
| 54 | 921 |
| 55 | 959 |
| 56 | 998 |
[0,1,3,4,7,11,16,20,24,31,39,44,53,63,74,80,92, 103,117,128,141,157,174,186,200,219,237,252,273, 293,316,332,352,377,403,420,445,473,500,520,548, 575,607,634,663,695,730,756,786,819,853,884,921, 959,998] |