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”).

A156834 as a simple table

na(n)
11
22
33
45
55
612
77
817
919
1030
1111
1263
1313
1456
1599
1689
1717
18154
1919
20269
21237
22132
2323
24509
25301
26182
27379
28783
2929
301230
3131
32881
33813
34306
352125
362431
3737
38380
391299
404157
4141
424822
4343
443695
456175
46552
4747
488529
495587
506266
512787

[1,2,3,5,5,12,7,17,19,30,11,63,13,56,99,89,17,154,
 19,269,237,132,23,509,301,182,379,783,29,1230,31,
 881,813,306,2125,2431,37,380,1299,4157,41,4822,43,
 3695,6175,552,47,8529,5587,6266,2787]