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”).

A301626 as a simple table

na(n)
00
10
20
31
41
51
64
71
81
94
108
112
120
132
148
159
165
171
181
195
209
214
2210
234
242
254
2610
274
281
295
309
315
325
339
345
351
360
372
388
3910
408
4110
428
432
440
451
461
475
4813
4913
5013
5113
525
531
541
554
562
574
5810
5920
6018
6120
6210
634
642
654
664
672
684
699
7017
7125
7225
7317
749
754
762
774
785
791
801

[0,0,0,1,1,1,4,1,1,4,8,2,0,2,8,9,5,1,1,5,9,4,10,4,
 2,4,10,4,1,5,9,5,5,9,5,1,0,2,8,10,8,10,8,2,0,1,1,
 5,13,13,13,13,5,1,1,4,2,4,10,20,18,20,10,4,2,4,4,
 2,4,9,17,25,25,17,9,4,2,4,5,1,1]