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”).

A375834 as a simple table

na(n)
12
22
32
43
53
63
73
83
94
103
114
124
134
144
154
164
174
184
194
204
214
224
234
245
254
265
274
285
294
305
314
325
335
345
354
365
375
385
395
405
415
425
435
445
455
465
475
485
495
505
515
525
535
545
555
565
575
585
595
605
615
625
635
645
656
665
675
685
696
705
715
726
735
745
756
765
776
785
796
805
816
825
836
845
856
865
876

[2,2,2,3,3,3,3,3,4,3,4,4,4,4,4,4,4,4,4,4,4,4,4,5,
 4,5,4,5,4,5,4,5,5,5,4,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
 5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,6,5,5,5,6,5,5,6,5,5,
 6,5,6,5,6,5,6,5,6,5,6,5,6]