n | a(n) |
---|---|
0 | 20 |
1 | 21 |
2 | 104 |
3 | 437 |
4 | 978 |
5 | 2393 |
6 | 3371 |
7 | 12506 |
8 | 165949 |
9 | 178455 |
10 | 344404 |
11 | 522859 |
12 | 867263 |
13 | 11797278 |
14 | 36259097 |
15 | 48056375 |
16 | 132371847 |
17 | 312800069 |
18 | 1383572123 |
19 | 5847088561 |
20 | 7230660684 |
21 | 295073515921 |
22 | 302304176605 |
[20,21,104,437,978,2393,3371,12506,165949,178455, 344404,522859,867263,11797278,36259097,48056375, 132371847,312800069,1383572123,5847088561, 7230660684,295073515921,302304176605] |