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n | a(n) |
---|---|
0 | 1 |
1 | 3 |
2 | 9 |
3 | 35 |
4 | 141 |
5 | 551 |
6 | 2329 |
7 | 9995 |
8 | 42101 |
9 | 184463 |
10 | 815153 |
11 | 3557395 |
12 | 15904077 |
13 | 71496471 |
14 | 318526473 |
15 | 1442648027 |
16 | 6559367461 |
17 | 29621184159 |
18 | 135382970721 |
19 | 620554541987 |
20 | 2829281958269 |
21 | 13018531716903 |
22 | 60037006978617 |
23 | 275683433405803 |
24 | 1275128230497365 |
25 | 5908434075541167 |
26 | 27280995507241105 |
27 | 126707183319906099 |
[1,3,9,35,141,551,2329,9995,42101,184463,815153, 3557395,15904077,71496471,318526473,1442648027, 6559367461,29621184159,135382970721,620554541987, 2829281958269,13018531716903,60037006978617, 275683433405803,1275128230497365,5908434075541167, 27280995507241105,126707183319906099] |