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”).

A019427 as a simple table

na(n)
00
13
21
310
41
518
61
726
81
934
101
1142
121
1350
141
1558
161
1766
181
1974
201
2182
221
2390
241
2598
261
27106
281
29114
301
31122
321
33130
341
35138
361
37146
381
39154
401
41162
421
43170
441
45178
461
47186
481
49194
501
51202
521
53210
541
55218
561
57226
581
59234
601
61242
621
63250
641
65258
661
67266
681
69274
701
71282
721
73290
741
75298
761

[0,3,1,10,1,18,1,26,1,34,1,42,1,50,1,58,1,66,1,74,
 1,82,1,90,1,98,1,106,1,114,1,122,1,130,1,138,1,
 146,1,154,1,162,1,170,1,178,1,186,1,194,1,202,1,
 210,1,218,1,226,1,234,1,242,1,250,1,258,1,266,1,
 274,1,282,1,290,1,298,1]