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”).

A115094 as a simple table

na(n)
13
22
31
46
55
64
77
89
98
1010
1112
1211
1313
1416
1515
1614
1719
1818
1917
2020
2122
2221
2323
2425
2524
2626
2729
2828
2927
3032
3131
3230
3335
3434
3533
3636
3738
3837
3939
4042
4141
4240
4345
4444
4543
4648
4747
4846
4949
5051
5150
5252
5355
5454
5553
5658
5757
5856
5961
6060
6159
6262
6364
6463
6565
6667
6766
6868
6971
7070
7169
7274

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