n | a(n) |
---|---|
1 | 0 |
2 | 2 |
3 | 6 |
4 | 13 |
5 | 26 |
6 | 51 |
7 | 98 |
8 | 182 |
9 | 324 |
10 | 552 |
11 | 902 |
12 | 1419 |
13 | 2158 |
14 | 3185 |
15 | 4578 |
16 | 6428 |
17 | 8840 |
18 | 11934 |
19 | 15846 |
20 | 20729 |
21 | 26754 |
22 | 34111 |
23 | 43010 |
24 | 53682 |
25 | 66380 |
26 | 81380 |
27 | 98982 |
28 | 119511 |
29 | 143318 |
30 | 170781 |
31 | 202306 |
32 | 238328 |
33 | 279312 |
34 | 325754 |
35 | 378182 |
36 | 437157 |
37 | 503274 |
38 | 577163 |
39 | 659490 |
40 | 750958 |
[0,2,6,13,26,51,98,182,324,552,902,1419,2158,3185, 4578,6428,8840,11934,15846,20729,26754,34111, 43010,53682,66380,81380,98982,119511,143318, 170781,202306,238328,279312,325754,378182,437157, 503274,577163,659490,750958] |