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”).

A311591 as a simple table

na(n)
01
14
28
312
418
522
626
730
836
940
1040
1146
1252
1358
1460
1566
1670
1776
1874
1980
2086
2192
2294
23102
24106
25110
26108
27116
28120
29126
30126
31138
32142
33146
34140
35152
36156
37160
38158
39172
40178
41182
42174
43186
44192
45196
46190
47206
48212
49218

[1,4,8,12,18,22,26,30,36,40,40,46,52,58,60,66,70,
 76,74,80,86,92,94,102,106,110,108,116,120,126,126,
 138,142,146,140,152,156,160,158,172,178,182,174,
 186,192,196,190,206,212,218]