Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
1 | 1 |
2 | 1 |
3 | 4 |
4 | 21 |
5 | 131 |
6 | 921 |
7 | 7083 |
8 | 58493 |
9 | 512342 |
10 | 4718671 |
11 | 45407919 |
12 | 454384447 |
13 | 4710818128 |
14 | 50453504549 |
15 | 556929098189 |
16 | 6324139809301 |
17 | 73759635547026 |
18 | 882440215196461 |
19 | 10817350790774790 |
20 | 135741743078330321 |
21 | 1742225569514045719 |
22 | 22854838454769204603 |
23 | 306233932315912508708 |
24 | 4188667660550945874199 |
25 | 58453992283916684321847 |
26 | 831867972069915069340899 |
[1,1,4,21,131,921,7083,58493,512342,4718671, 45407919,454384447,4710818128,50453504549, 556929098189,6324139809301,73759635547026, 882440215196461,10817350790774790, 135741743078330321,1742225569514045719, 22854838454769204603,306233932315912508708, 4188667660550945874199,58453992283916684321847, 831867972069915069340899] |