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”).

A277219 as a triangular array

1
11
241
824121
64256192321
1024512051201280801
327681966082457608192076801921
2097152146800642202009691750401146880430084481
2684354562147483648375809638418790481922936012801468006422937610241

A277219 as a square array

1128641024327682097152268435456
14242565120196608146800642147483648
1121925120245760220200963758096384
13212808192091750401879048192
18076801146880293601280
11924300814680064
1448229376
11024
1
1128641024327682097152268435456
14242565120196608146800642147483648
1121925120245760220200963758096384
13212808192091750401879048192
18076801146880293601280
11924300814680064
1448229376
11024
1