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”).

A237859 as a triangular array

2
44
7147
12414112
2111418411421
3732577377332537
6594333734826337394365
1142731150383165131651150382731114
200787666838213165315896213165668387876200
351227022956011428967

A237859 as a square array

24712213765114200351
414411143259432731787622702
74118477333731503866838295601
121147734826316512131651428967
21325337331651315896
3794315038213165
65273166838
1147876
200
24712213765114200351
414411143259432731787622702
74118477333731503866838295601
121147734826316512131651428967
21325337331651315896
3794315038213165
65273166838
1147876
200