The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 0 |
| 1 | 1 |
| 2 | 1 |
| 3 | 3 |
| 4 | 2 |
| 5 | 11 |
| 6 | 15 |
| 7 | 41 |
| 8 | 7 |
| 9 | 153 |
| 10 | 209 |
| 11 | 571 |
| 12 | 195 |
| 13 | 2131 |
| 14 | 2911 |
| 15 | 7953 |
| 16 | 679 |
| 17 | 29681 |
| 18 | 40545 |
| 19 | 110771 |
| 20 | 37829 |
| 21 | 413403 |
| 22 | 564719 |
| 23 | 1542841 |
| 24 | 263445 |
| 25 | 5757961 |
| 26 | 7865521 |
| 27 | 21489003 |
| 28 | 7338631 |
| 29 | 80198051 |
| 30 | 109552575 |
| 31 | 299303201 |
| 32 | 12776743 |
| 33 | 1117014753 |
| 34 | 1525870529 |
| 35 | 4168755811 |
| 36 | 1423656585 |
[0,1,1,3,2,11,15,41,7,153,209,571,195,2131,2911, 7953,679,29681,40545,110771,37829,413403,564719, 1542841,263445,5757961,7865521,21489003,7338631, 80198051,109552575,299303201,12776743,1117014753, 1525870529,4168755811,1423656585] |