login

Reminder: The OEIS is hiring a new managing editor, and the application deadline is January 26.

A178620 as a simple table

na(n)
00
11
22
33
42
53
62
73
82
93
103
112
123
134
145
154
165
174
185
194
204
214
225
234
245
254
265
274
285
294
305
314
325
334
345
354
365
376
387
393
403
414
425
435
444
455
464
475
484
495
505
516
527
534
544
555
565
575
584
595
605
614
625
636
647
655
667
676
684
695
704
715
726
737
746
757
766
777
786
797
807
817
826
834
845
854
865
876
887
894
905
915
926
937
946
957
966
977
985
995
1007
1014
1025
1036
1046

[0,1,2,3,2,3,2,3,2,3,3,2,3,4,5,4,5,4,5,4,4,4,5,4,
 5,4,5,4,5,4,5,4,5,4,5,4,5,6,7,3,3,4,5,5,4,5,4,5,4,
 5,5,6,7,4,4,5,5,5,4,5,5,4,5,6,7,5,7,6,4,5,4,5,6,7,
 6,7,6,7,6,7,7,7,6,4,5,4,5,6,7,4,5,5,6,7,6,7,6,7,5,
 5,7,4,5,6,6]