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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 4 |
| 2 | 29 |
| 3 | 99 |
| 4 | 238 |
| 5 | 470 |
| 6 | 819 |
| 7 | 1309 |
| 8 | 1964 |
| 9 | 2808 |
| 10 | 3865 |
| 11 | 5159 |
| 12 | 6714 |
| 13 | 8554 |
| 14 | 10703 |
| 15 | 13185 |
| 16 | 16024 |
| 17 | 19244 |
| 18 | 22869 |
| 19 | 26923 |
| 20 | 31430 |
| 21 | 36414 |
| 22 | 41899 |
| 23 | 47909 |
| 24 | 54468 |
| 25 | 61600 |
| 26 | 69329 |
| 27 | 77679 |
| 28 | 86674 |
| 29 | 96338 |
| 30 | 106695 |
| 31 | 117769 |
| 32 | 129584 |
| 33 | 142164 |
| 34 | 155533 |
| 35 | 169715 |
| 36 | 184734 |
| 37 | 200614 |
| 38 | 217379 |
[0,4,29,99,238,470,819,1309,1964,2808,3865,5159, 6714,8554,10703,13185,16024,19244,22869,26923, 31430,36414,41899,47909,54468,61600,69329,77679, 86674,96338,106695,117769,129584,142164,155533, 169715,184734,200614,217379] |