The OEIS is supported by the many generous donors to the OEIS Foundation.
A186241 as a simple table
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 1 |
| 2 | 3 |
| 3 | 12 |
| 4 | 54 |
| 5 | 262 |
| 6 | 1337 |
| 7 | 7072 |
| 8 | 38426 |
| 9 | 213197 |
| 10 | 1202795 |
| 11 | 6879160 |
| 12 | 39794416 |
| 13 | 232429030 |
| 14 | 1368806610 |
| 15 | 8118934656 |
| 16 | 48458809586 |
| 17 | 290832756606 |
| 18 | 1754059333738 |
| 19 | 10625545472716 |
| 20 | 64620970743082 |
| 21 | 394409682103262 |
| 22 | 2415084675723048 |
| 23 | 14832185219521152 |
| 24 | 91339478577683664 |
[1,1,3,12,54,262,1337,7072,38426,213197,1202795, 6879160,39794416,232429030,1368806610,8118934656, 48458809586,290832756606,1754059333738, 10625545472716,64620970743082,394409682103262, 2415084675723048,14832185219521152, 91339478577683664] |