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| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 3 |
| 2 | 14 |
| 3 | 41 |
| 4 | 87 |
| 5 | 161 |
| 6 | 265 |
| 7 | 409 |
| 8 | 594 |
| 9 | 831 |
| 10 | 1120 |
| 11 | 1473 |
| 12 | 1889 |
| 13 | 2381 |
| 14 | 2947 |
| 15 | 3601 |
| 16 | 4340 |
| 17 | 5179 |
| 18 | 6114 |
| 19 | 7161 |
| 20 | 8315 |
| 21 | 9593 |
| 22 | 10989 |
| 23 | 12521 |
| 24 | 14182 |
| 25 | 15991 |
| 26 | 17940 |
| 27 | 20049 |
| 28 | 22309 |
| 29 | 24741 |
| 30 | 27335 |
| 31 | 30113 |
| 32 | 33064 |
| 33 | 36211 |
| 34 | 39542 |
| 35 | 43081 |
| 36 | 46815 |
| 37 | 50769 |
| 38 | 54929 |
[0,3,14,41,87,161,265,409,594,831,1120,1473,1889, 2381,2947,3601,4340,5179,6114,7161,8315,9593, 10989,12521,14182,15991,17940,20049,22309,24741, 27335,30113,33064,36211,39542,43081,46815,50769, 54929] |