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A143213 as a triangular array

1
11
151
128281
11061491061
11559879871551
19554405144409551
11941379749741371941
134075460293607543401
11812381663773771662381811
1977283540411142411540

A143213 as a square array

11111111111
1528106155955194340181977
128149987440137754238283
110698751497460166540
1155440974293377411
195513760377142
1194754166411
1340238540
1181
1

A143213 as an upper right triangle

11111111111
1528106155955194340181977
128149987440137754238283
110698751497460166540
1155440974293377411
195513760377142
1194754166411
1340238540
1181
1

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Last modified January 26 01:48 EST 2020. Contains 331270 sequences. (Running on oeis4.)