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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 5 |
| 3 | 15 |
| 4 | 36 |
| 5 | 95 |
| 6 | 150 |
| 7 | 318 |
| 8 | 484 |
| 9 | 774 |
| 10 | 1043 |
| 11 | 1576 |
| 12 | 2099 |
| 13 | 2886 |
| 14 | 3790 |
| 15 | 4620 |
| 16 | 6040 |
| 17 | 7941 |
| 18 | 9465 |
| 19 | 11541 |
| 20 | 13810 |
| 21 | 16763 |
| 22 | 19982 |
| 23 | 23515 |
| 24 | 26840 |
| 25 | 32253 |
| 26 | 37461 |
| 27 | 42368 |
| 28 | 48394 |
| 29 | 55737 |
| 30 | 62668 |
| 31 | 70112 |
| 32 | 80029 |
| 33 | 89512 |
| 34 | 100678 |
| 35 | 111427 |
| 36 | 124051 |
| 37 | 135954 |
| 38 | 148630 |
| 39 | 166354 |
[0,5,15,36,95,150,318,484,774,1043,1576,2099,2886, 3790,4620,6040,7941,9465,11541,13810,16763,19982, 23515,26840,32253,37461,42368,48394,55737,62668, 70112,80029,89512,100678,111427,124051,135954, 148630,166354] |