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”).

A178903 as a simple table

na(n)
10
24
30
42
55
63
76
85
90
105
113
125
136
147
158
161
170
187
197
203
211
220
231
242
255
260
276
287
299
300
312
326
333
342
357
366
370
382
395
400
417
426
437
445
452
466
477
487
498
500
519
527
537
540
557
560
573
581
592
607
615
624
630
645
656
667
673
687
695
701
711
728
739
745
751
767
771
789
797
809
811
829
832
849
854
860
872
881
895
900
914
928
938
948
955
968
977
985
996
1005
1011
1025
1039
1040
1054

[0,4,0,2,5,3,6,5,0,5,3,5,6,7,8,1,0,7,7,3,1,0,1,2,
 5,0,6,7,9,0,2,6,3,2,7,6,0,2,5,0,7,6,7,5,2,6,7,7,8,
 0,9,7,7,0,7,0,3,1,2,7,5,4,0,5,6,7,3,7,5,1,1,8,9,5,
 1,7,1,9,7,9,1,9,2,9,4,0,2,1,5,0,4,8,8,8,5,8,7,5,6,
 5,1,5,9,0,4]