n | a(n) |
---|---|
0 | 1 |
1 | 41 |
2 | 661 |
3 | 5741 |
4 | 33001 |
5 | 142001 |
6 | 494341 |
7 | 1465661 |
8 | 3833941 |
9 | 9073501 |
10 | 19789001 |
11 | 40328641 |
12 | 77620661 |
13 | 142282141 |
14 | 250054001 |
15 | 423621001 |
16 | 694880441 |
17 | 1107728161 |
18 | 1721435341 |
19 | 2614694501 |
20 | 3890418001 |
21 | 5681377241 |
22 | 8156775661 |
23 | 11529853541 |
[1,41,661,5741,33001,142001,494341,1465661, 3833941,9073501,19789001,40328641,77620661, 142282141,250054001,423621001,694880441, 1107728161,1721435341,2614694501,3890418001, 5681377241,8156775661,11529853541] |