The OEIS is supported by the many generous donors to the OEIS Foundation.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 1 |
| 3 | 5 |
| 4 | 3 |
| 5 | 14 |
| 6 | 23 |
| 7 | 15 |
| 8 | 81 |
| 9 | 73 |
| 10 | 167 |
| 11 | 105 |
| 12 | 660 |
| 13 | 414 |
| 14 | 804 |
| 15 | 1473 |
| 16 | 945 |
| 17 | 6825 |
| 18 | 2850 |
| 19 | 7578 |
| 20 | 7629 |
| 21 | 16413 |
| 22 | 10395 |
| 23 | 85050 |
| 24 | 19425 |
| 25 | 99420 |
| 26 | 61389 |
| 27 | 111882 |
| 28 | 211479 |
| 29 | 135135 |
| 30 | 1237005 |
| 31 | 59535 |
| 32 | 1642725 |
| 33 | 429525 |
| 34 | 1461375 |
| 35 | 1518525 |
| 36 | 3192975 |
| 37 | 2027025 |
| 38 | 20540520 |
| 39 | -2619540 |
[1,1,5,3,14,23,15,81,73,167,105,660,414,804,1473, 945,6825,2850,7578,7629,16413,10395,85050,19425, 99420,61389,111882,211479,135135,1237005,59535, 1642725,429525,1461375,1518525,3192975,2027025, 20540520,-2619540] |