n | a(n) |
---|---|
0 | 0 |
1 | 27 |
2 | 315 |
3 | 1638 |
4 | 5670 |
5 | 15345 |
6 | 35217 |
7 | 71820 |
8 | 134028 |
9 | 233415 |
10 | 384615 |
11 | 605682 |
12 | 918450 |
13 | 1348893 |
14 | 1927485 |
15 | 2689560 |
16 | 3675672 |
17 | 4931955 |
18 | 6510483 |
19 | 8469630 |
20 | 10874430 |
21 | 13796937 |
22 | 17316585 |
23 | 21520548 |
24 | 26504100 |
25 | 32370975 |
26 | 39233727 |
27 | 47214090 |
28 | 56443338 |
29 | 67062645 |
30 | 79223445 |
[0,27,315,1638,5670,15345,35217,71820,134028, 233415,384615,605682,918450,1348893,1927485, 2689560,3675672,4931955,6510483,8469630,10874430, 13796937,17316585,21520548,26504100,32370975, 39233727,47214090,56443338,67062645,79223445] |