n | a(n) |
---|---|
1 | 0 |
2 | 1 |
3 | 2 |
4 | 4 |
5 | 8 |
6 | 16 |
7 | 34 |
8 | 72 |
9 | 154 |
10 | 336 |
11 | 738 |
12 | 1632 |
13 | 3640 |
14 | 8160 |
15 | 18384 |
16 | 41616 |
17 | 94560 |
18 | 215600 |
19 | 493122 |
20 | 1130976 |
21 | 2600388 |
22 | 5992560 |
23 | 13838306 |
24 | 32016576 |
25 | 74203112 |
26 | 172252080 |
27 | 400451282 |
28 | 932247360 |
29 | 2173035800 |
30 | 5071299968 |
31 | 11848259458 |
32 | 27710346528 |
33 | 64871460996 |
[0,1,2,4,8,16,34,72,154,336,738,1632,3640,8160, 18384,41616,94560,215600,493122,1130976,2600388, 5992560,13838306,32016576,74203112,172252080, 400451282,932247360,2173035800,5071299968, 11848259458,27710346528,64871460996] |