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”).

A188508 as a triangular array

2
44
7167
12494912
2114422914421
3744197197144137
651369435156264351136965
1144225201243507935079201244225114
20012996925972308773177512308779259712996200
35140000423074

A188508 as a square array

24712213765114200351
41649144441136942251299640000
74922997143512012492597423074
12144971562635079230877
21441435135079317751
37136920124230877
65422592597
11412996
200
24712213765114200351
41649144441136942251299640000
74922997143512012492597423074
12144971562635079230877
21441435135079317751
37136920124230877
65422592597
11412996
200