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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 0 |
| 2 | 1 |
| 3 | 5 |
| 4 | 15 |
| 5 | 33 |
| 6 | 64 |
| 7 | 107 |
| 8 | 171 |
| 9 | 252 |
| 10 | 359 |
| 11 | 490 |
| 12 | 656 |
| 13 | 844 |
| 14 | 1079 |
| 15 | 1346 |
| 16 | 1656 |
| 17 | 2006 |
| 18 | 2415 |
| 19 | 2859 |
| 20 | 3373 |
| 21 | 3927 |
| 22 | 4550 |
| 23 | 5233 |
| 24 | 5993 |
| 25 | 6793 |
| 26 | 7690 |
| 27 | 8653 |
| 28 | 9697 |
| 29 | 10809 |
| 30 | 12028 |
| 31 | 13299 |
| 32 | 14695 |
| 33 | 16158 |
| 34 | 17731 |
| 35 | 19398 |
| 36 | 21174 |
| 37 | 23018 |
| 38 | 25017 |
| 39 | 27108 |
| 40 | 29318 |
| 41 | 31616 |
[0,0,1,5,15,33,64,107,171,252,359,490,656,844, 1079,1346,1656,2006,2415,2859,3373,3927,4550,5233, 5993,6793,7690,8653,9697,10809,12028,13299,14695, 16158,17731,19398,21174,23018,25017,27108,29318, 31616] |