n | a(n) |
---|---|
0 | 0 |
1 | 1 |
2 | 4 |
3 | 11 |
4 | 32 |
5 | 93 |
6 | 272 |
7 | 807 |
8 | 2404 |
9 | 7185 |
10 | 21516 |
11 | 64483 |
12 | 193352 |
13 | 579909 |
14 | 1739496 |
15 | 5218143 |
16 | 15653900 |
17 | 46960889 |
18 | 140881444 |
19 | 422642459 |
20 | 1267924528 |
21 | 3803769261 |
22 | 11411301184 |
23 | 34233893527 |
24 | 102701665332 |
25 | 308104972769 |
26 | 924314883004 |
27 | 2772944595283 |
28 | 8318833704088 |
29 | 24956500987925 |
[0,1,4,11,32,93,272,807,2404,7185,21516,64483, 193352,579909,1739496,5218143,15653900,46960889, 140881444,422642459,1267924528,3803769261, 11411301184,34233893527,102701665332,308104972769, 924314883004,2772944595283,8318833704088, 24956500987925] |