login

A261216 as a triangular array

0
11
202
3533
44024
531455
6255346
77412177
8614000868
91115151291199
1010121422310106810
119131623231197101111
1281717212208111191012
13191613201911107871313
141881218182012666141214

A261216 as a square array

01234567891011121314
105432761110981918
2301541415121317168
324510151416171312
4532012223212018
54102323221918
67891011012
7611109810
8967111012
98101176
1011986
111076
121314
1312
14
01234567891011121314
105432761110981918
2301541415121317168
324510151416171312
4532012223212018
54102323221918
67891011012
7611109810
8967111012
98101176
1011986
111076
121314
1312
14