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| n | a(n) |
|---|---|
| 0 | -2 |
| 1 | 3 |
| 2 | 20 |
| 3 | 55 |
| 4 | 114 |
| 5 | 203 |
| 6 | 328 |
| 7 | 495 |
| 8 | 710 |
| 9 | 979 |
| 10 | 1308 |
| 11 | 1703 |
| 12 | 2170 |
| 13 | 2715 |
| 14 | 3344 |
| 15 | 4063 |
| 16 | 4878 |
| 17 | 5795 |
| 18 | 6820 |
| 19 | 7959 |
| 20 | 9218 |
| 21 | 10603 |
| 22 | 12120 |
| 23 | 13775 |
| 24 | 15574 |
| 25 | 17523 |
| 26 | 19628 |
| 27 | 21895 |
| 28 | 24330 |
| 29 | 26939 |
| 30 | 29728 |
| 31 | 32703 |
| 32 | 35870 |
| 33 | 39235 |
| 34 | 42804 |
| 35 | 46583 |
| 36 | 50578 |
| 37 | 54795 |
| 38 | 59240 |
| 39 | 63919 |
| 40 | 68838 |
| 41 | 74003 |
| 42 | 79420 |
| 43 | 85095 |
[-2,3,20,55,114,203,328,495,710,979,1308,1703, 2170,2715,3344,4063,4878,5795,6820,7959,9218, 10603,12120,13775,15574,17523,19628,21895,24330, 26939,29728,32703,35870,39235,42804,46583,50578, 54795,59240,63919,68838,74003,79420,85095] |