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”).

A271539 as a simple table

na(n)
01
15
212
321
437
540
676
765
8124
9112
10185
11152
12237
13217
14356
15245
16409
17400
18497
19393
20600
21620
22664
23601
24801
25872
26929
27729
281048
291125
301221
311060
321325
331501
341476
351313
361644
371925
381737
391692
402101
412265
422092
432096
442428
452761
462549
472540
482765

[1,5,12,21,37,40,76,65,124,112,185,152,237,217,
 356,245,409,400,497,393,600,620,664,601,801,872,
 929,729,1048,1125,1221,1060,1325,1501,1476,1313,
 1644,1925,1737,1692,2101,2265,2092,2096,2428,2761,
 2549,2540,2765]