n | a(n) |
---|---|
1 | 20 |
2 | 166 |
3 | 537 |
4 | 1358 |
5 | 3137 |
6 | 6838 |
7 | 14375 |
8 | 29416 |
9 | 58984 |
10 | 116466 |
11 | 227134 |
12 | 438532 |
13 | 839659 |
14 | 1596460 |
15 | 3017310 |
16 | 5673426 |
17 | 10619999 |
18 | 19801344 |
19 | 36791933 |
20 | 68149580 |
21 | 125882603 |
22 | 231941798 |
23 | 426388234 |
24 | 782226746 |
25 | 1432314394 |
26 | 2618121324 |
27 | 4778002317 |
[20,166,537,1358,3137,6838,14375,29416,58984, 116466,227134,438532,839659,1596460,3017310, 5673426,10619999,19801344,36791933,68149580, 125882603,231941798,426388234,782226746, 1432314394,2618121324,4778002317] |