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”).

A023845 as a simple table

na(n)
11
25
34
48
57
68
79
812
99
1012
1113
1214
1314
1416
1513
1618
1715
1817
1916
2022
2117
2218
2320
2421
2519
2624
2723
2826
2924
3024
3124
3227
3323
3425
3525
3628
3724
3829
3928
4032
4129
4230
4328
4433
4531
4631
4731
4832
4932
5036
5133
5239
5336
5438
5538
5642
5735
5843
5942
6045
6141
6239
6338
6441
6540
6640
6738
6844
6941
7042
7145
7247
7343
7447
7544
7648
7748

[1,5,4,8,7,8,9,12,9,12,13,14,14,16,13,18,15,17,16,
 22,17,18,20,21,19,24,23,26,24,24,24,27,23,25,25,
 28,24,29,28,32,29,30,28,33,31,31,31,32,32,36,33,
 39,36,38,38,42,35,43,42,45,41,39,38,41,40,40,38,
 44,41,42,45,47,43,47,44,48,48]