login

Year-end appeal: Please make a donation to the OEIS Foundation to support ongoing development and maintenance of the OEIS. We are now in our 61st year, we have over 378,000 sequences, and we’ve reached 11,000 citations (which often say “discovered thanks to the OEIS”).

A050459 as a simple table

na(n)
11
21
3-26
41
5126
6-26
7-342
81
9703
10126
11-1330
12-26
132198
14-342
15-3276
161
174914
18703
19-6858
20126
218892
22-1330
23-12166
24-26
2515751
262198
27-18980
28-342
2924390
30-3276
31-29790
321
3334580
344914
35-43092
36703
3750654
38-6858
39-57148
40126
4168922
428892
43-79506
44-1330

[1,1,-26,1,126,-26,-342,1,703,126,-1330,-26,2198,
 -342,-3276,1,4914,703,-6858,126,8892,-1330,-12166,
 -26,15751,2198,-18980,-342,24390,-3276,-29790,1,
 34580,4914,-43092,703,50654,-6858,-57148,126,
 68922,8892,-79506,-1330]