n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 12 |
3 | 50 |
4 | 223 |
5 | 1015 |
6 | 4729 |
7 | 22313 |
8 | 106417 |
9 | 511458 |
10 | 2473148 |
11 | 12017294 |
12 | 58620251 |
13 | 286873813 |
14 | 1407618180 |
15 | 6922313041 |
16 | 34106536761 |
17 | 168315924156 |
18 | 831793119344 |
19 | 4115539692326 |
20 | 20384128657815 |
21 | 101054234497267 |
22 | 501378809307513 |
23 | 2489348020547553 |
24 | 12367402039498161 |
25 | 61477248248504698 |
26 | 305750636377131818 |
[1,3,12,50,223,1015,4729,22313,106417,511458, 2473148,12017294,58620251,286873813,1407618180, 6922313041,34106536761,168315924156,831793119344, 4115539692326,20384128657815,101054234497267, 501378809307513,2489348020547553, 12367402039498161,61477248248504698, 305750636377131818] |