n | a(n) |
---|---|
1 | 1 |
2 | 7 |
3 | 15 |
4 | 25 |
5 | 47 |
6 | 109 |
7 | 245 |
8 | 545 |
9 | 1253 |
10 | 2859 |
11 | 6557 |
12 | 15131 |
13 | 34879 |
14 | 80643 |
15 | 186663 |
16 | 432253 |
17 | 1002043 |
18 | 2323805 |
19 | 5391149 |
20 | 12511905 |
21 | 29043489 |
22 | 67430735 |
23 | 156577101 |
24 | 363614071 |
25 | 844480819 |
26 | 1961394067 |
27 | 4555748943 |
28 | 10582066605 |
29 | 24580613559 |
30 | 57098398457 |
[1,7,15,25,47,109,245,545,1253,2859,6557,15131, 34879,80643,186663,432253,1002043,2323805,5391149, 12511905,29043489,67430735,156577101,363614071, 844480819,1961394067,4555748943,10582066605, 24580613559,57098398457] |