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”).

A140257 as a simple table

na(n)
11
22
36
48
548
624
7216
8120
9240
10128
112544
12336
1311520
143168
151536
16480
1723616
182592

[1,2,6,8,48,24,216,120,240,128,2544,336,11520,
 3168,1536,480,23616,2592]