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”).

A246781 as a simple table

na(n)
112
213
316
418
520
621
727
831
934
1039
1144
1253
1359
1460
1565
1696
1797
1898
1999
20136
21154
22202
23214
24215
25220
26221
27280
28324
29325
30326
31365
32366
33736
34780
352146
362225
373792
385946
395947
405948
416902
426903
4318524
4422078
4523510
4623511
4723512
4831542
4931544
5033606

[12,13,16,18,20,21,27,31,34,39,44,53,59,60,65,96,
 97,98,99,136,154,202,214,215,220,221,280,324,325,
 326,365,366,736,780,2146,2225,3792,5946,5947,5948,
 6902,6903,18524,22078,23510,23511,23512,31542,
 31544,33606]