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| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 3 |
| 3 | 10 |
| 4 | 7 |
| 5 | 25 |
| 6 | 91 |
| 7 | 15 |
| 8 | 56 |
| 9 | 210 |
| 10 | 792 |
| 11 | 31 |
| 12 | 119 |
| 13 | 456 |
| 14 | 1749 |
| 15 | 6721 |
| 16 | 63 |
| 17 | 246 |
| 18 | 957 |
| 19 | 3718 |
| 20 | 14443 |
| 21 | 56134 |
| 22 | 127 |
| 23 | 501 |
| 24 | 1969 |
| 25 | 7722 |
| 26 | 30251 |
| 27 | 118456 |
| 28 | 463828 |
| 29 | 255 |
| 30 | 1012 |
| 31 | 4004 |
| 32 | 15808 |
| 33 | 62322 |
| 34 | 245480 |
| 35 | 966416 |
| 36 | 3803648 |
| 37 | 511 |
| 38 | 2035 |
| 39 | 8086 |
| 40 | 32071 |
| 41 | 127024 |
| 42 | 502588 |
| 43 | 1987096 |
| 44 | 7852453 |
| 45 | 31020445 |
| 46 | 1023 |
| 47 | 4082 |
| 48 | 16263 |
[1,3,10,7,25,91,15,56,210,792,31,119,456,1749, 6721,63,246,957,3718,14443,56134,127,501,1969, 7722,30251,118456,463828,255,1012,4004,15808, 62322,245480,966416,3803648,511,2035,8086,32071, 127024,502588,1987096,7852453,31020445,1023,4082, 16263] |