n | a(n) |
---|---|
1 | 7 |
2 | 32 |
3 | 143 |
4 | 623 |
5 | 2615 |
6 | 10830 |
7 | 44067 |
8 | 177429 |
9 | 707163 |
10 | 2796840 |
11 | 10986379 |
12 | 42911627 |
13 | 166777091 |
14 | 645395334 |
15 | 2488065863 |
16 | 9559464281 |
17 | 36618142447 |
18 | 139888931680 |
19 | 533099140807 |
20 | 2027067051095 |
21 | 7692165427919 |
22 | 29135580083054 |
23 | 110168752548843 |
[7,32,143,623,2615,10830,44067,177429,707163, 2796840,10986379,42911627,166777091,645395334, 2488065863,9559464281,36618142447,139888931680, 533099140807,2027067051095,7692165427919, 29135580083054,110168752548843] |