n | a(n) |
---|---|
2 | 7 |
3 | 31 |
4 | 113 |
5 | 359 |
6 | 1129 |
7 | 3089 |
8 | 8467 |
9 | 24281 |
10 | 64717 |
11 | 175141 |
12 | 481447 |
13 | 1304713 |
14 | 3524621 |
15 | 9560081 |
16 | 25874773 |
17 | 70119967 |
18 | 189969349 |
19 | 514282961 |
20 | 1394199299 |
21 | 3779856617 |
22 | 10246936393 |
23 | 27788573801 |
24 | 75370126379 |
25 | 204475055189 |
26 | 554805820519 |
27 | 1505578026059 |
28 | 4086199303001 |
29 | 11091501632977 |
[7,31,113,359,1129,3089,8467,24281,64717,175141, 481447,1304713,3524621,9560081,25874773,70119967, 189969349,514282961,1394199299,3779856617, 10246936393,27788573801,75370126379,204475055189, 554805820519,1505578026059,4086199303001, 11091501632977] |