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”).

A140109 as a simple table

na(n)
17
215
320
442
57
624
725
884
913
1014
1115
1284
1313
1484
1585
16546
1717
188
1915
2060
2117
229
2310
2436
2529
2620
2721
28210
2937
3012
3135
32210
3341
349
3540
36180
3753
3845
3948
401080
4173
4248
4355
441320
4589
4639
4780
481560
4997
5065
5172
522340
53101
5420
5599
56990
57109
5860
5991
602730
61113
6215
63112
64840

[7,15,20,42,7,24,25,84,13,14,15,84,13,84,85,546,
 17,8,15,60,17,9,10,36,29,20,21,210,37,12,35,210,
 41,9,40,180,53,45,48,1080,73,48,55,1320,89,39,80,
 1560,97,65,72,2340,101,20,99,990,109,60,91,2730,
 113,15,112,840]