n | a(n) |
---|---|
1 | 1 |
2 | 5 |
3 | 18 |
4 | 54 |
5 | 135 |
6 | 291 |
7 | 560 |
8 | 988 |
9 | 1629 |
10 | 2545 |
11 | 3806 |
12 | 5490 |
13 | 7683 |
14 | 10479 |
15 | 13980 |
16 | 18296 |
17 | 23545 |
18 | 29853 |
19 | 37354 |
20 | 46190 |
21 | 56511 |
22 | 68475 |
23 | 82248 |
24 | 98004 |
25 | 115925 |
26 | 136201 |
27 | 159030 |
28 | 184618 |
29 | 213179 |
30 | 244935 |
31 | 280116 |
32 | 318960 |
33 | 361713 |
34 | 408629 |
35 | 459970 |
36 | 516006 |
37 | 577015 |
[1,5,18,54,135,291,560,988,1629,2545,3806,5490, 7683,10479,13980,18296,23545,29853,37354,46190, 56511,68475,82248,98004,115925,136201,159030, 184618,213179,244935,280116,318960,361713,408629, 459970,516006,577015] |