n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 4 |
3 | 10 |
4 | 24 |
5 | 60 |
6 | 148 |
7 | 370 |
8 | 920 |
9 | 2300 |
10 | 5736 |
11 | 14340 |
12 | 35808 |
13 | 89520 |
14 | 223668 |
15 | 559170 |
16 | 1397496 |
17 | 3493740 |
18 | 8732920 |
19 | 21832300 |
20 | 54575888 |
21 | 136439720 |
22 | 341082504 |
23 | 852706260 |
24 | 2131706864 |
25 | 5329267160 |
26 | 13322959888 |
27 | 33307399720 |
28 | 83267756400 |
29 | 208169391000 |
30 | 520420803060 |
31 | 1301052007650 |
[1,2,4,10,24,60,148,370,920,2300,5736,14340,35808, 89520,223668,559170,1397496,3493740,8732920, 21832300,54575888,136439720,341082504,852706260, 2131706864,5329267160,13322959888,33307399720, 83267756400,208169391000,520420803060, 1301052007650] |