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”).

A225768 as a simple table

na(n)
00
11
21
32
41
518
61
72
80
92
101
1154
121
1328
143
152
161
1718
181
192
20399
2126
221
236
245
252
2621
270
281
29288
301
314
323
332
34105
356
361
372
3833
392
401
41546
421
432
443
452
461
476
4835
492
5051
5120
521
5312
545
5528
569
574
581
5918
601
614
6263
632
640
6518
661
672
683
6928
701
716
721
732
7415
752
7635
7724
781
7912
803
814
821
8342
84115
852
86111
872
881
8918
9091
916
923
932
943
956
961
9728
983
992

[0,1,1,2,1,18,1,2,0,2,1,54,1,28,3,2,1,18,1,2,399,
 26,1,6,5,2,21,0,1,288,1,4,3,2,105,6,1,2,33,2,1,
 546,1,2,3,2,1,6,35,2,51,20,1,12,5,28,9,4,1,18,1,4,
 63,2,0,18,1,2,3,28,1,6,1,2,15,2,35,24,1,12,3,4,1,
 42,115,2,111,2,1,18,91,6,3,2,3,6,1,28,3,2]