n | a(n) |
---|---|
1 | 1 |
2 | 60 |
3 | 598 |
4 | 2347 |
5 | 6809 |
6 | 17404 |
7 | 41872 |
8 | 97565 |
9 | 223075 |
10 | 503650 |
11 | 1126490 |
12 | 2500555 |
13 | 5515189 |
14 | 12096536 |
15 | 26401012 |
16 | 57368137 |
17 | 124167191 |
18 | 267790942 |
19 | 575680798 |
20 | 1233926231 |
21 | 2637709321 |
22 | 5624580148 |
23 | 11966370008 |
24 | 25404922357 |
25 | 53829723019 |
[1,60,598,2347,6809,17404,41872,97565,223075, 503650,1126490,2500555,5515189,12096536,26401012, 57368137,124167191,267790942,575680798,1233926231, 2637709321,5624580148,11966370008,25404922357, 53829723019] |