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”).

A118644 as a simple table

na(n)
01
12
216
3188
42896
550452
6953056
719003476
8394397776
98439756848
10185033251616
114137181680700
1294020327215200
132166105078791448
1450489825388328608
151188777328563914488
1628236363841989180496
17675879582290807439796
1816289254212704277185152

[1,2,16,188,2896,50452,953056,19003476,394397776,
 8439756848,185033251616,4137181680700,
 94020327215200,2166105078791448,50489825388328608,
 1188777328563914488,28236363841989180496,
 675879582290807439796,16289254212704277185152]