n | a(n) |
---|---|
1 | 1 |
2 | 17 |
3 | 117 |
4 | 517 |
5 | 1742 |
6 | 4878 |
7 | 11934 |
8 | 26334 |
9 | 53559 |
10 | 101959 |
11 | 183755 |
12 | 316251 |
13 | 523276 |
14 | 836876 |
15 | 1299276 |
16 | 1965132 |
17 | 2904093 |
18 | 4203693 |
19 | 5972593 |
20 | 8344193 |
21 | 11480634 |
22 | 15577210 |
23 | 20867210 |
24 | 27627210 |
25 | 36182835 |
26 | 46915011 |
27 | 60266727 |
28 | 76750327 |
[1,17,117,517,1742,4878,11934,26334,53559,101959, 183755,316251,523276,836876,1299276,1965132, 2904093,4203693,5972593,8344193,11480634,15577210, 20867210,27627210,36182835,46915011,60266727, 76750327] |