n | a(n) |
---|---|
1 | 1 |
2 | 16 |
3 | 74 |
4 | 154 |
5 | 628 |
6 | 1470 |
7 | 5530 |
8 | 13906 |
9 | 49150 |
10 | 130108 |
11 | 439834 |
12 | 1208138 |
13 | 3956136 |
14 | 11159566 |
15 | 35718398 |
16 | 102702256 |
17 | 323381538 |
18 | 942724706 |
19 | 2933702600 |
20 | 8637532046 |
21 | 26653534886 |
22 | 79035941608 |
23 | 242412919890 |
24 | 722524675274 |
25 | 2206433888880 |
[1,16,74,154,628,1470,5530,13906,49150,130108, 439834,1208138,3956136,11159566,35718398, 102702256,323381538,942724706,2933702600, 8637532046,26653534886,79035941608,242412919890, 722524675274,2206433888880] |