n | a(n) |
---|---|
1 | 1 |
2 | 18 |
3 | 116 |
4 | 470 |
5 | 1449 |
6 | 3724 |
7 | 8400 |
8 | 17172 |
9 | 32505 |
10 | 57838 |
11 | 97812 |
12 | 158522 |
13 | 247793 |
14 | 375480 |
15 | 553792 |
16 | 797640 |
17 | 1125009 |
18 | 1557354 |
19 | 2120020 |
20 | 2842686 |
21 | 3759833 |
22 | 4911236 |
23 | 6342480 |
24 | 8105500 |
25 | 10259145 |
26 | 12869766 |
27 | 16011828 |
28 | 19768546 |
29 | 24232545 |
30 | 29506544 |
[1,18,116,470,1449,3724,8400,17172,32505,57838, 97812,158522,247793,375480,553792,797640,1125009, 1557354,2120020,2842686,3759833,4911236,6342480, 8105500,10259145,12869766,16011828,19768546, 24232545,29506544] |