n | a(n) |
---|---|
0 | 0 |
1 | 4 |
2 | 49 |
3 | 246 |
4 | 834 |
5 | 2250 |
6 | 5214 |
7 | 10829 |
8 | 20696 |
9 | 37044 |
10 | 62875 |
11 | 102124 |
12 | 159834 |
13 | 242346 |
14 | 357504 |
15 | 514875 |
16 | 725984 |
17 | 1004564 |
18 | 1366821 |
19 | 1831714 |
20 | 2421250 |
21 | 3160794 |
22 | 4079394 |
23 | 5210121 |
24 | 6590424 |
25 | 8262500 |
26 | 10273679 |
27 | 12676824 |
28 | 15530746 |
29 | 18900634 |
30 | 22858500 |
[0,4,49,246,834,2250,5214,10829,20696,37044,62875, 102124,159834,242346,357504,514875,725984,1004564, 1366821,1831714,2421250,3160794,4079394,5210121, 6590424,8262500,10273679,12676824,15530746, 18900634,22858500] |