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 | 4 |
5 | 4 |
6 | 20 |
7 | 36 |
8 | 52 |
9 | 132 |
10 | 292 |
11 | 580 |
12 | 1252 |
13 | 2628 |
14 | 6772 |
15 | 14820 |
16 | 32404 |
17 | 75012 |
18 | 183108 |
19 | 423428 |
20 | 953924 |
21 | 2225028 |
22 | 5435604 |
23 | 12770340 |
24 | 29545076 |
25 | 69900164 |
26 | 170528612 |
27 | 405553988 |
28 | 954683428 |
29 | 2267938244 |
30 | 5585542964 |
31 | 13382224612 |
32 | 31793247188 |
[1,1,4,4,4,20,36,52,132,292,580,1252,2628,6772, 14820,32404,75012,183108,423428,953924,2225028, 5435604,12770340,29545076,69900164,170528612, 405553988,954683428,2267938244,5585542964, 13382224612,31793247188] |