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”).

A323245 as a simple table

na(n)
11
22
32
43
52
64
72
85
96
107
112
128
132
149
153
165
172
1810
192
2011
2112
2211
232
2413
2514
2615
274
2813
292
308
312
3216
3317
3418
3519
3617
372
3820
3921
4013
412
4222
432
4423
4524
4625
472
4815
4921
5026
5124
5227
532
5428
5529
5630
5721
5831
592
6032
612
6233
639
6413
658
6632
672
6834
6935
7036
712
7237
732
7438
758
7639
7740
7841
792
8042
8121
8243
832
8444
8545
8646
8747
8816
892
9010
9148
9249
9350
9451
9552
9630
972
9853
9914
10016
1012

[1,2,2,3,2,4,2,5,6,7,2,8,2,9,3,5,2,10,2,11,12,11,
 2,13,14,15,4,13,2,8,2,16,17,18,19,17,2,20,21,13,2,
 22,2,23,24,25,2,15,21,26,24,27,2,28,29,30,21,31,2,
 32,2,33,9,13,8,32,2,34,35,36,2,37,2,38,8,39,40,41,
 2,42,21,43,2,44,45,46,47,16,2,10,48,49,50,51,52,
 30,2,53,14,16,2]