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”).

A217134 as a simple table

na(n)
12
24
310
414
588
6112
7140
8764
93040
1011096
1124934
1225616
1354584
1493400

[2,4,10,14,88,112,140,764,3040,11096,24934,25616,
 54584,93400]