The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 1 |
| 1 | 0 |
| 2 | 1 |
| 3 | 7 |
| 4 | 24 |
| 5 | 25 |
| 6 | 41 |
| 7 | 840 |
| 8 | 841 |
| 9 | 239 |
| 10 | 28560 |
| 11 | 28561 |
| 12 | 1393 |
| 13 | 970224 |
| 14 | 970225 |
| 15 | 8119 |
| 16 | 32959080 |
| 17 | 32959081 |
| 18 | 47321 |
| 19 | 1119638520 |
| 20 | 1119638521 |
| 21 | 275807 |
| 22 | 38034750624 |
| 23 | 38034750625 |
| 24 | 1607521 |
| 25 | 1292061882720 |
| 26 | 1292061882721 |
| 27 | 9369319 |
| 28 | 43892069261880 |
| 29 | 43892069261881 |
| 30 | 54608393 |
| 31 | 1491038293021224 |
| 32 | 1491038293021225 |
[1,0,1,7,24,25,41,840,841,239,28560,28561,1393, 970224,970225,8119,32959080,32959081,47321, 1119638520,1119638521,275807,38034750624, 38034750625,1607521,1292061882720,1292061882721, 9369319,43892069261880,43892069261881,54608393, 1491038293021224,1491038293021225] |