Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.
n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 15 |
3 | 90 |
4 | 633 |
5 | 5028 |
6 | 44217 |
7 | 424434 |
8 | 4399953 |
9 | 48858984 |
10 | 577372809 |
11 | 7221983838 |
12 | 95192539641 |
13 | 1317190650636 |
14 | 19071213218745 |
15 | 288112248054882 |
16 | 4530217559806497 |
17 | 73976635012027344 |
18 | 1252091246140278153 |
19 | 21926952634345281030 |
20 | 396671314081806278601 |
[1,3,15,90,633,5028,44217,424434,4399953,48858984, 577372809,7221983838,95192539641,1317190650636, 19071213218745,288112248054882,4530217559806497, 73976635012027344,1252091246140278153, 21926952634345281030,396671314081806278601] |