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”).

A194849 as a simple table

na(n)
02
11
20
33
41
50
63
72
80
93
102
111
124
131
140
154
162
170
184
192
201
214
223
230
244
253
261
274
283
292
305
311
320
335
342
350
365
372
381
395
403
410
425
433
441
455
463
472
485
494
500
515
524
531
545
554
562
575
584
593
606
611
620
636
642
650
666
672
681
696
703
710
726
733
741
756
763
772
786
794
800
816
824
831
846
854
862
876
884
893
906
915
920
936
945
951
966
975
982
996
1005
1013
1026
1035
1044
1057
1061
1070
1087
1092
1100
1117
1122
1131
1147
1153
1160
1177
1183
1191
1207
1213
1222
1237
1244

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