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”).

A100898 as a simple table

na(n)
01
11
21
31
43
51
65
72
81
97
107
111
129
1315
143
151
1611
1726
1813
191
2013
2140
2234
234
241
2515
2657
2770
2821
291
3017
3177
32125
3365
345
351
3619
37100
38203
39155
4031
411
4221
43126
44308
45315
46111
476
481
4923
50155
51444
52574
53301
5443
551
5625
57187
58615
59966
60686
61175
627
631
6427
65222
66825
671530
681386
69532
7057

[1,1,1,1,3,1,5,2,1,7,7,1,9,15,3,1,11,26,13,1,13,
 40,34,4,1,15,57,70,21,1,17,77,125,65,5,1,19,100,
 203,155,31,1,21,126,308,315,111,6,1,23,155,444,
 574,301,43,1,25,187,615,966,686,175,7,1,27,222,
 825,1530,1386,532,57]