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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 1 |
| 4 | 2 |
| 5 | 4 |
| 6 | 6 |
| 7 | 9 |
| 8 | 14 |
| 9 | 18 |
| 10 | 18 |
| 11 | 16 |
| 12 | 67 |
| 13 | 67 |
| 14 | 66 |
| 15 | 72 |
| 16 | 84 |
| 17 | 99 |
| 18 | 117 |
| 19 | 138 |
| 20 | 159 |
| 21 | 468 |
| 22 | 516 |
| 23 | 578 |
| 24 | 679 |
| 25 | 810 |
| 26 | 933 |
| 27 | 1018 |
| 28 | 1072 |
| 29 | 1138 |
| 30 | 1262 |
| 31 | 1448 |
| 32 | 4745 |
| 33 | 5196 |
| 34 | 5851 |
| 35 | 6630 |
| 36 | 7382 |
| 37 | 8031 |
| 38 | 8649 |
| 39 | 9405 |
| 40 | 10409 |
| 41 | 11569 |
| 42 | 12649 |
| 43 | 13530 |
| 44 | 14378 |
| 45 | 51022 |
| 46 | 55567 |
| 47 | 60439 |
| 48 | 65906 |
| 49 | 71953 |
| 50 | 78283 |
[1,0,1,1,2,4,6,9,14,18,18,16,67,67,66,72,84,99, 117,138,159,468,516,578,679,810,933,1018,1072, 1138,1262,1448,4745,5196,5851,6630,7382,8031,8649, 9405,10409,11569,12649,13530,14378,51022,55567, 60439,65906,71953,78283] |