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n | a(n) |
---|---|
1 | 5 |
2 | 25 |
3 | 115 |
4 | 515 |
5 | 2285 |
6 | 10119 |
7 | 44901 |
8 | 200119 |
9 | 897301 |
10 | 4052183 |
11 | 18444197 |
12 | 84651063 |
13 | 391805877 |
14 | 1828676887 |
15 | 8604122053 |
16 | 40793238647 |
17 | 194778656213 |
18 | 936040595031 |
19 | 4524410973669 |
20 | 21981448319671 |
21 | 107275320299509 |
22 | 525571712299415 |
[5,25,115,515,2285,10119,44901,200119,897301, 4052183,18444197,84651063,391805877,1828676887, 8604122053,40793238647,194778656213,936040595031, 4524410973669,21981448319671,107275320299509, 525571712299415] |