The OEIS is supported by the many generous donors to the OEIS Foundation.
| n | a(n) |
|---|---|
| 0 | 27 |
| 1 | 28 |
| 2 | 111 |
| 3 | 139 |
| 4 | 250 |
| 5 | 389 |
| 6 | 2195 |
| 7 | 2584 |
| 8 | 4779 |
| 9 | 36037 |
| 10 | 76853 |
| 11 | 112890 |
| 12 | 189743 |
| 13 | 3338521 |
| 14 | 3528264 |
| 15 | 45677689 |
| 16 | 49205953 |
| 17 | 882178890 |
| 18 | 931384843 |
| 19 | 1813563733 |
| 20 | 4558512309 |
| 21 | 33723149896 |
| 22 | 38281662205 |
| 23 | 72004812101 |
[27,28,111,139,250,389,2195,2584,4779,36037,76853, 112890,189743,3338521,3528264,45677689,49205953, 882178890,931384843,1813563733,4558512309, 33723149896,38281662205,72004812101] |