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| n | a(n) |
|---|---|
| 0 | 633 |
| 1 | 4809 |
| 2 | 46041 |
| 3 | 277767 |
| 4 | 1079823 |
| 5 | 4256799 |
| 6 | 16902207 |
| 7 | 67358847 |
| 8 | 268935423 |
| 9 | 1074741759 |
| 10 | 4296967167 |
| 11 | 17183868927 |
| 12 | 68727476223 |
| 13 | 274893905919 |
| 14 | 1099543625727 |
| 15 | 4398110507007 |
| 16 | 17592314036223 |
| 17 | 70369000161279 |
[633,4809,46041,277767,1079823,4256799,16902207, 67358847,268935423,1074741759,4296967167, 17183868927,68727476223,274893905919, 1099543625727,4398110507007,17592314036223, 70369000161279] |