n | a(n) |
---|---|
0 | 3 |
1 | 5 |
2 | 7 |
3 | 25 |
4 | 61 |
5 | 145 |
6 | 361 |
7 | 853 |
8 | 1969 |
9 | 4489 |
10 | 10069 |
11 | 22273 |
12 | 48781 |
13 | 105949 |
14 | 228589 |
15 | 490405 |
16 | 1046977 |
17 | 2225965 |
18 | 4715401 |
19 | 9956977 |
20 | 20965213 |
21 | 44031361 |
22 | 92262349 |
23 | 192920785 |
24 | 402629257 |
25 | 838827577 |
26 | 1744784389 |
27 | 3623814865 |
28 | 7516104565 |
[3,5,7,25,61,145,361,853,1969,4489,10069,22273, 48781,105949,228589,490405,1046977,2225965, 4715401,9956977,20965213,44031361,92262349, 192920785,402629257,838827577,1744784389, 3623814865,7516104565] |