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”).

A193174 as a simple table

na(n)
00
12
21
34
43
58
65
720
87
916
1013
1118
1255
1330
1453
1526
1647
1720
1841

[0,2,1,4,3,8,5,20,7,16,13,18,55,30,53,26,47,20,41]