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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 5 |
| 2 | 15 |
| 3 | 35 |
| 4 | 69 |
| 5 | 121 |
| 6 | 195 |
| 7 | 295 |
| 8 | 425 |
| 9 | 589 |
| 10 | 791 |
| 11 | 1035 |
| 12 | 1325 |
| 13 | 1665 |
| 14 | 2059 |
| 15 | 2511 |
| 16 | 3025 |
| 17 | 3605 |
| 18 | 4255 |
| 19 | 4979 |
| 20 | 5781 |
| 21 | 6665 |
| 22 | 7635 |
| 23 | 8695 |
| 24 | 9849 |
| 25 | 11101 |
| 26 | 12455 |
| 27 | 13915 |
| 28 | 15485 |
| 29 | 17169 |
| 30 | 18971 |
| 31 | 20895 |
| 32 | 22945 |
| 33 | 25125 |
| 34 | 27439 |
| 35 | 29891 |
| 36 | 32485 |
| 37 | 35225 |
| 38 | 38115 |
[1,5,15,35,69,121,195,295,425,589,791,1035,1325, 1665,2059,2511,3025,3605,4255,4979,5781,6665,7635, 8695,9849,11101,12455,13915,15485,17169,18971, 20895,22945,25125,27439,29891,32485,35225,38115] |