n | a(n) |
---|---|
1 | 4 |
2 | 86 |
3 | 705 |
4 | 3364 |
5 | 11630 |
6 | 32514 |
7 | 78211 |
8 | 168200 |
9 | 331704 |
10 | 610510 |
11 | 1062149 |
12 | 1763436 |
13 | 2814370 |
14 | 4342394 |
15 | 6507015 |
16 | 9504784 |
17 | 13574636 |
18 | 19003590 |
19 | 26132809 |
20 | 35364020 |
21 | 47166294 |
22 | 62083186 |
23 | 80740235 |
24 | 103852824 |
25 | 132234400 |
26 | 166805054 |
27 | 208600461 |
[4,86,705,3364,11630,32514,78211,168200,331704, 610510,1062149,1763436,2814370,4342394,6507015, 9504784,13574636,19003590,26132809,35364020, 47166294,62083186,80740235,103852824,132234400, 166805054,208600461] |