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| n | a(n) |
|---|---|
| 1 | 0 |
| 2 | 1 |
| 3 | 8 |
| 4 | 28 |
| 5 | 66 |
| 6 | 88 |
| 7 | 211 |
| 8 | 298 |
| 9 | 671 |
| 10 | 2126 |
| 11 | 2998 |
| 12 | 28814 |
| 13 | 29369 |
| 14 | 29998 |
| 15 | 63701 |
| 16 | 212206 |
| 17 | 212671 |
| 18 | 299998 |
| 19 | 636776 |
| 20 | 2122206 |
| 21 | 2861419 |
| 22 | 2999998 |
| 23 | 9443423 |
| 24 | 21341691 |
| 25 | 28862883 |
| 26 | 29999998 |
| 27 | 212325206 |
| 28 | 289053683 |
| 29 | 294127328 |
| 30 | 294174669 |
| 31 | 299999998 |
| 32 | 2134473706 |
| 33 | 2946920844 |
| 34 | 2999999998 |
[0,1,8,28,66,88,211,298,671,2126,2998,28814,29369, 29998,63701,212206,212671,299998,636776,2122206, 2861419,2999998,9443423,21341691,28862883, 29999998,212325206,289053683,294127328,294174669, 299999998,2134473706,2946920844,2999999998] |