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| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 5 |
| 4 | 21 |
| 5 | 44 |
| 6 | 189 |
| 7 | 433 |
| 8 | 1947 |
| 9 | 4754 |
| 10 | 21843 |
| 11 | 55593 |
| 12 | 258846 |
| 13 | 678794 |
| 14 | 3197214 |
| 15 | 8581819 |
| 16 | 40729683 |
| 17 | 111318770 |
| 18 | 531516095 |
| 19 | 1474157217 |
| 20 | 7074437422 |
| 21 | 19861550204 |
| 22 | 95678831934 |
| 23 | 271365160703 |
| 24 | 1311627336770 |
| 25 | 3752647088859 |
| 26 | 18188168212984 |
| 27 | 52430062200878 |
| 28 | 254708413161552 |
| 29 | 739061852992557 |
| 30 | 3597755538480279 |
[1,1,3,5,21,44,189,433,1947,4754,21843,55593, 258846,678794,3197214,8581819,40729683,111318770, 531516095,1474157217,7074437422,19861550204, 95678831934,271365160703,1311627336770, 3752647088859,18188168212984,52430062200878, 254708413161552,739061852992557,3597755538480279] |