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”).

A144442 as a triangular array

1
11
1171
11181181
172926817291
14400417454174544001
1264315552401349245555240264311
11586226816846334566853345668568168461586221
1951773800347437153211561411926995715321156800347439517731

A144442 as a square array

111111111
117118729440026431158622951773
1118268141745555240681684680034743
172941745134924533456685715321156
14400555240334566851411926995
1264316816846715321156
115862280034743
1951773
1
111111111
117118729440026431158622951773
1118268141745555240681684680034743
172941745134924533456685715321156
14400555240334566851411926995
1264316816846715321156
115862280034743
1951773
1