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”).

A092821 as a simple table

na(n)
01
11
22
31
45
54
61
710
813
98
101
1117
1241
1325
1416
151
1626
17106
18106
1941
2032
211
2237
23232
24392
25197
2665
2764
281
2950
30449
311184
321009
33274
34113
35128
361
3765
38793
393033
404153
411913
42289
43225
44256
451
4682
471306
486850
4913906
5010882
512650
52274
53481
54512
551
56101
572036
5814036

[1,1,2,1,5,4,1,10,13,8,1,17,41,25,16,1,26,106,106,
 41,32,1,37,232,392,197,65,64,1,50,449,1184,1009,
 274,113,128,1,65,793,3033,4153,1913,289,225,256,1,
 82,1306,6850,13906,10882,2650,274,481,512,1,101,
 2036,14036]