n | a(n) |
---|---|
0 | 2 |
1 | 5 |
2 | 12 |
3 | 28 |
4 | 65 |
5 | 150 |
6 | 346 |
7 | 795 |
8 | 1826 |
9 | 4192 |
10 | 9621 |
11 | 22078 |
12 | 50660 |
13 | 116239 |
14 | 266704 |
15 | 611930 |
16 | 1404013 |
17 | 3221358 |
18 | 7391048 |
19 | 16957921 |
20 | 38908004 |
21 | 89269924 |
22 | 204819503 |
23 | 469934590 |
24 | 1078210352 |
25 | 2473828397 |
26 | 5675911794 |
27 | 13022719964 |
[2,5,12,28,65,150,346,795,1826,4192,9621,22078, 50660,116239,266704,611930,1404013,3221358, 7391048,16957921,38908004,89269924,204819503, 469934590,1078210352,2473828397,5675911794, 13022719964] |