The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 1 | 1 |
| 2 | 2 |
| 3 | 1 |
| 4 | 14 |
| 5 | 6 |
| 6 | 1 |
| 7 | 201 |
| 8 | 68 |
| 9 | 12 |
| 10 | 1 |
| 11 | 4704 |
| 12 | 1285 |
| 13 | 200 |
| 14 | 20 |
| 15 | 1 |
| 16 | 160890 |
| 17 | 36214 |
| 18 | 4815 |
| 19 | 460 |
| 20 | 30 |
| 21 | 1 |
| 22 | 7538040 |
| 23 | 1422288 |
| 24 | 160594 |
| 25 | 13755 |
| 26 | 910 |
| 27 | 42 |
| 28 | 1 |
| 29 | 462869190 |
| 30 | 74416131 |
| 31 | 7151984 |
| 32 | 535864 |
| 33 | 33110 |
| 34 | 1624 |
| 35 | 56 |
| 36 | 1 |
| 37 | 36055948320 |
| 38 | 5016901734 |
| 39 | 413347787 |
| 40 | 26821368 |
| 41 | 1490664 |
| 42 | 70686 |
| 43 | 2688 |
| 44 | 72 |
| 45 | 1 |
| 46 | 3474195588360 |
[1,2,1,14,6,1,201,68,12,1,4704,1285,200,20,1, 160890,36214,4815,460,30,1,7538040,1422288,160594, 13755,910,42,1,462869190,74416131,7151984,535864, 33110,1624,56,1,36055948320,5016901734,413347787, 26821368,1490664,70686,2688,72,1,3474195588360] |