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”).

A110690 as a simple table

na(n)
01
122
2193
31045
44180
513566
637764
793456
8210705
9440440
10864721
111610401
122866864
134908580
148123280
1513046616
1620404233
1731162242
1846587145
1968316325
2098440276
21139597810
22195085540
23268983000
24366294825
25493111476
26656790057

[1,22,193,1045,4180,13566,37764,93456,210705,
 440440,864721,1610401,2866864,4908580,8123280,
 13046616,20404233,31162242,46587145,68316325,
 98440276,139597810,195085540,268983000,366294825,
 493111476,656790057]