Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | -1 |
1 | -1 |
2 | 1 |
3 | 11 |
4 | 63 |
5 | 499 |
6 | 6089 |
7 | 97551 |
8 | 1875551 |
9 | 41846183 |
10 | 1062206289 |
11 | 30214274419 |
12 | 951599063711 |
13 | 32864817109851 |
14 | 1234766859596633 |
15 | 50132215859126519 |
16 | 2187063341006059839 |
17 | 102022039514031274831 |
18 | 5067161180856909388961 |
19 | 266960634868753685833563 |
[-1,-1,1,11,63,499,6089,97551,1875551,41846183, 1062206289,30214274419,951599063711, 32864817109851,1234766859596633,50132215859126519, 2187063341006059839,102022039514031274831, 5067161180856909388961,266960634868753685833563] |