| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 9 |
| 4 | 43 |
| 5 | 141 |
| 6 | 343 |
| 7 | 766 |
| 8 | 1415 |
| 9 | 2517 |
| 10 | 4129 |
| 11 | 6545 |
| 12 | 9505 |
| 13 | 14230 |
| 14 | 19444 |
| 15 | 26733 |
| 16 | 36208 |
| 17 | 48029 |
| 18 | 60675 |
| 19 | 78729 |
| 20 | 96866 |
| 21 | 122433 |
| 22 | 151288 |
| 23 | 184072 |
| 24 | 217998 |
| 25 | 266775 |
| 26 | 315096 |
| 27 | 371138 |
| 28 | 435153 |
| 29 | 512549 |
| 30 | 585240 |
| 31 | 688470 |
| 32 | 779196 |
| 33 | 895058 |
| 34 | 1019697 |
| 35 | 1153081 |
| 36 | 1305629 |
| 37 | 1494185 |
| 38 | 1656287 |
[0,1,9,43,141,343,766,1415,2517,4129,6545,9505, 14230,19444,26733,36208,48029,60675,78729,96866, 122433,151288,184072,217998,266775,315096,371138, 435153,512549,585240,688470,779196,895058,1019697, 1153081,1305629,1494185,1656287] |