n | a(n) |
---|---|
0 | 1 |
1 | 7 |
2 | 28 |
3 | 84 |
4 | 210 |
5 | 462 |
6 | 924 |
7 | 1717 |
8 | 3017 |
9 | 5110 |
10 | 8568 |
11 | 14756 |
12 | 27132 |
13 | 54264 |
14 | 116281 |
15 | 257775 |
16 | 572264 |
17 | 1246784 |
18 | 2641366 |
19 | 5430530 |
20 | 10861060 |
21 | 21242341 |
22 | 40927033 |
23 | 78354346 |
24 | 150402700 |
25 | 291693136 |
26 | 574274008 |
27 | 1148548016 |
28 | 2326683921 |
29 | 4749439975 |
30 | 9714753412 |
31 | 19818498700 |
32 | 40199107690 |
[1,7,28,84,210,462,924,1717,3017,5110,8568,14756, 27132,54264,116281,257775,572264,1246784,2641366, 5430530,10861060,21242341,40927033,78354346, 150402700,291693136,574274008,1148548016, 2326683921,4749439975,9714753412,19818498700, 40199107690] |