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| n | a(n) |
|---|---|
| 1 | 6 |
| 2 | 13 |
| 3 | 55 |
| 4 | 223 |
| 5 | 673 |
| 6 | 1753 |
| 7 | 3787 |
| 8 | 6937 |
| 9 | 11851 |
| 10 | 19297 |
| 11 | 30211 |
| 12 | 42877 |
| 13 | 63247 |
| 14 | 86323 |
| 15 | 114049 |
| 16 | 155701 |
| 17 | 204169 |
| 18 | 251293 |
| 19 | 329989 |
| 20 | 400081 |
| 21 | 487537 |
| 22 | 607189 |
| 23 | 742747 |
| 24 | 858241 |
| 25 | 1041835 |
| 26 | 1231789 |
| 27 | 1424647 |
| 28 | 1667659 |
| 29 | 1968427 |
| 30 | 2165947 |
| 31 | 2600779 |
| 32 | 2939863 |
| 33 | 3286159 |
| 34 | 3784153 |
| 35 | 4217395 |
| 36 | 4687771 |
| 37 | 5688804 |
| 38 | 6316332 |
[6,13,55,223,673,1753,3787,6937,11851,19297,30211, 42877,63247,86323,114049,155701,204169,251293, 329989,400081,487537,607189,742747,858241,1041835, 1231789,1424647,1667659,1968427,2165947,2600779, 2939863,3286159,3784153,4217395,4687771,5688804, 6316332] |