n | a(n) |
---|---|
0 | 3 |
1 | 25 |
2 | 130 |
3 | 546 |
4 | 2037 |
5 | 7071 |
6 | 23436 |
7 | 75328 |
8 | 237127 |
9 | 735813 |
10 | 2260518 |
11 | 6896046 |
12 | 20933673 |
13 | 63325051 |
14 | 191088976 |
15 | 575625900 |
16 | 1731858075 |
17 | 5206059585 |
18 | 15640198410 |
19 | 46966732090 |
20 | 140996664733 |
21 | 423191320215 |
22 | 1269993390420 |
[3,25,130,546,2037,7071,23436,75328,237127,735813, 2260518,6896046,20933673,63325051,191088976, 575625900,1731858075,5206059585,15640198410, 46966732090,140996664733,423191320215, 1269993390420] |