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”).

A187099 as a simple table

na(n)
11
22
33
44
55
66
77
89
98
1011
1110
1214
1312
1413
1515
1618
1716
1817
1919
2021
2120
2225
2322
2423
2524
2627
2726
2830
2928
3029
3131
3233
3332
3440
3534
3635
3739
3837
3936
4041
4144
4238
4342
4445
4543
4648
4750
4846
4947
5051
5149
5255
5352
5457
5556
5653
5754
5859
5961
6058
6165
6263
6360
6484
6562
6664
6767
6869
6968
7066
7170
7271
7372
7474
7573
7677
7775
7876
7982
8079

[1,2,3,4,5,6,7,9,8,11,10,14,12,13,15,18,16,17,19,
 21,20,25,22,23,24,27,26,30,28,29,31,33,32,40,34,
 35,39,37,36,41,44,38,42,45,43,48,50,46,47,51,49,
 55,52,57,56,53,54,59,61,58,65,63,60,84,62,64,67,
 69,68,66,70,71,72,74,73,77,75,76,82,79]