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”).

A267933 as a triangular array

4
1616
6025660
22236003600222
8044928417806849284804
2872646416845915484591546464162872
1013282483843768124201376175262376812420824838410132
3538310265742416109362560205495778969

A267933 as a square array

4166022280428721013235383
162563600492846464168248384102657424
603600178068845915437681242016109362560
2224928484591541376175262205495778969
804646416376812420
28728248384
10132
4166022280428721013235383
162563600492846464168248384102657424
603600178068845915437681242016109362560
2224928484591541376175262205495778969
804646416376812420
28728248384
10132