n | a(n) |
---|---|
0 | 1 |
1 | 2 |
2 | 6 |
3 | 19 |
4 | 61 |
5 | 191 |
6 | 588 |
7 | 1785 |
8 | 5351 |
9 | 15868 |
10 | 46628 |
11 | 135921 |
12 | 393318 |
13 | 1130538 |
14 | 3229753 |
15 | 9175347 |
16 | 25931605 |
17 | 72936434 |
18 | 204223348 |
19 | 569427145 |
20 | 1581458917 |
21 | 4375905243 |
22 | 12065914843 |
23 | 33160240020 |
24 | 90848002909 |
25 | 248154744196 |
26 | 675932128695 |
27 | 1836182233332 |
28 | 4975249827916 |
29 | 13447775233746 |
[1,2,6,19,61,191,588,1785,5351,15868,46628,135921, 393318,1130538,3229753,9175347,25931605,72936434, 204223348,569427145,1581458917,4375905243, 12065914843,33160240020,90848002909,248154744196, 675932128695,1836182233332,4975249827916, 13447775233746] |