n | a(n) |
---|---|
0 | 1 |
1 | 5 |
2 | 19 |
3 | 73 |
4 | 281 |
5 | 1083 |
6 | 4175 |
7 | 16097 |
8 | 62065 |
9 | 239307 |
10 | 922711 |
11 | 3557761 |
12 | 13717913 |
13 | 52893147 |
14 | 203943935 |
15 | 786361409 |
16 | 3032030689 |
17 | 11690820555 |
18 | 45077144455 |
19 | 173807214241 |
20 | 670161078089 |
21 | 2583988659867 |
22 | 9963272432111 |
23 | 38416111919777 |
24 | 148123788152017 |
25 | 571131629935179 |
[1,5,19,73,281,1083,4175,16097,62065,239307, 922711,3557761,13717913,52893147,203943935, 786361409,3032030689,11690820555,45077144455, 173807214241,670161078089,2583988659867, 9963272432111,38416111919777,148123788152017, 571131629935179] |