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”).

A218458 as a simple table

na(n)
0-11927
1-9311
2-7009
3-5009
4-3299
5-1867
6-701
7211
8881
91321
101543
111559
121381
131021
14491
15-197
16-1031
17-1999
18-3089
19-4289
20-5587
21-6971
22-8429
23-9949
24-11519
25-13127
26-14761
27-16409
28-18059
29-19699
30-21317
31-22901
32-24439
33-25919

[-11927,-9311,-7009,-5009,-3299,-1867,-701,211,
 881,1321,1543,1559,1381,1021,491,-197,-1031,-1999,
 -3089,-4289,-5587,-6971,-8429,-9949,-11519,-13127,
 -14761,-16409,-18059,-19699,-21317,-22901,-24439,
 -25919]