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”).

A168189 as a simple table

na(n)
00
11
21028
388587
42097184
524414125
6181398636
7988663543
84294967552
915690530169
1050000000500
11142655835971
12371504186208
13896080198117
142024782586204
154324877931375
168796093024256
1717135948156273
1832134205042532
1958245129452539
20102400000004000

[0,1,1028,88587,2097184,24414125,181398636,
 988663543,4294967552,15690530169,50000000500,
 142655835971,371504186208,896080198117,
 2024782586204,4324877931375,8796093024256,
 17135948156273,32134205042532,58245129452539,
 102400000004000]