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”).

A356852 as a simple table

na(n)
11
21
31
41
51
62
72
82
92
102
112
122
132
142
152
162
172
182
192
202
212
222
232
242
252
262
272
282
292
302
312
322
332
342
352
362
372
382
392
402
412
422
432
442
452
462
472
482
492
502
512
522
532
542
552
563
573
583
593
603
613
623
633
643
653

[1,1,1,1,1,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
 2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
 2,2,2,2,2,2,3,3,3,3,3,3,3,3,3,3]