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”).

A315587 as a simple table

na(n)
01
16
212
312
424
518
630
730
848
948
1048
1148
1266
1366
1466
1572
1678
1796
1878
1990
20102
21114
22108
23108
24114
25138
26126
27126
28144
29144
30156
31138
32156
33174
34174
35168
36180
37180
38198
39186
40192
41216
42204
43216
44210
45222
46234
47234
48234
49252

[1,6,12,12,24,18,30,30,48,48,48,48,66,66,66,72,78,
 96,78,90,102,114,108,108,114,138,126,126,144,144,
 156,138,156,174,174,168,180,180,198,186,192,216,
 204,216,210,222,234,234,234,252]