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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 5 |
| 3 | 21 |
| 4 | 50 |
| 5 | 121 |
| 6 | 236 |
| 7 | 447 |
| 8 | 736 |
| 9 | 1247 |
| 10 | 1896 |
| 11 | 2898 |
| 12 | 4151 |
| 13 | 5972 |
| 14 | 8146 |
| 15 | 11292 |
| 16 | 14797 |
| 17 | 19643 |
| 18 | 25248 |
| 19 | 32564 |
| 20 | 40663 |
| 21 | 51515 |
| 22 | 63168 |
| 23 | 78119 |
| 24 | 94452 |
| 25 | 114998 |
| 26 | 136933 |
| 27 | 164849 |
| 28 | 193753 |
| 29 | 229714 |
| 30 | 268334 |
| 31 | 314711 |
| 32 | 362824 |
| 33 | 422746 |
| 34 | 483950 |
| 35 | 558046 |
| 36 | 635070 |
| 37 | 726461 |
| 38 | 820420 |
| 39 | 934186 |
| 40 | 1048245 |
[1,5,21,50,121,236,447,736,1247,1896,2898,4151, 5972,8146,11292,14797,19643,25248,32564,40663, 51515,63168,78119,94452,114998,136933,164849, 193753,229714,268334,314711,362824,422746,483950, 558046,635070,726461,820420,934186,1048245] |