Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 18 |
3 | 152 |
4 | 1110 |
5 | 8254 |
6 | 66050 |
7 | 578466 |
8 | 5557246 |
9 | 58381646 |
10 | 667481754 |
11 | 8262618730 |
12 | 110195259446 |
13 | 1576108225446 |
14 | 24075493095346 |
15 | 391282065519074 |
16 | 6742907753730030 |
17 | 122830141805635966 |
18 | 2358555332361509066 |
19 | 47617194132209848026 |
20 | 1008436738991020480294 |
[0,1,18,152,1110,8254,66050,578466,5557246, 58381646,667481754,8262618730,110195259446, 1576108225446,24075493095346,391282065519074, 6742907753730030,122830141805635966, 2358555332361509066,47617194132209848026, 1008436738991020480294] |