n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 4 |
3 | 13 |
4 | 29 |
5 | 81 |
6 | 188 |
7 | 456 |
8 | 1030 |
9 | 2405 |
10 | 5295 |
11 | 11611 |
12 | 25246 |
13 | 53552 |
14 | 113332 |
15 | 235685 |
16 | 486011 |
17 | 990840 |
18 | 2006567 |
19 | 4018010 |
20 | 7992003 |
21 | 15768511 |
22 | 30875424 |
23 | 60060509 |
24 | 116042548 |
25 | 222817961 |
26 | 425200270 |
27 | 806991037 |
28 | 1522748592 |
29 | 2858792520 |
30 | 5339457208 |
31 | 9924370365 |
[1,1,4,13,29,81,188,456,1030,2405,5295,11611, 25246,53552,113332,235685,486011,990840,2006567, 4018010,7992003,15768511,30875424,60060509, 116042548,222817961,425200270,806991037, 1522748592,2858792520,5339457208,9924370365] |