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”).

A238837 as a simple table

na(n)
10
21
31
42
53
61
72
83
95
104
115
121
132
143
153
164
177
187
198
205
217
227
238
241
252
263
273
284
295
304
315
325
339
3410
3511
369
3712
3811
3913
406
419
4210
4311
449
4512
4611
4713
481
492
503
513
524
535
544
555
565
577
587
598
605
617
627
638
646
6511
6613
6714
6813
6917
7015
7118
7211
7316
7417
7519
7614
7719
7818
7921

[0,1,1,2,3,1,2,3,5,4,5,1,2,3,3,4,7,7,8,5,7,7,8,1,
 2,3,3,4,5,4,5,5,9,10,11,9,12,11,13,6,9,10,11,9,12,
 11,13,1,2,3,3,4,5,4,5,5,7,7,8,5,7,7,8,6,11,13,14,
 13,17,15,18,11,16,17,19,14,19,18,21]