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”).

A233665 as a triangular array

208
12201220
665683246656
37544562125621237544
208304411848501200411848208304
116674830070005005852500585230070001166748
649831222597004509976887136670850997688225970046498312
36324956

A233665 as a square array

20812206656375442083041166748649831236324956
1220832456212411848300700022597004
665656212501200500585250997688
37544411848500585271366708
208304300700050997688
116674822597004
6498312
20812206656375442083041166748649831236324956
1220832456212411848300700022597004
665656212501200500585250997688
37544411848500585271366708
208304300700050997688
116674822597004
6498312