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A172198 as a triangular array

1
11
13251
11788491788491
11121470273110649369711214702731
1651310630963216485982862694564859828626945651310630963211
134423599076368353281343761835451074560013437638364225618841734376183545107456001344235990763683532811

A172198 as a square array

1111111
132517884911214702736513106309632134423599076368353281
117884911064936976485982862694534376183545107456001
111214702736485982862694534376383642256188417
16513106309632134376183545107456001
134423599076368353281
1

A172198 as an upper right triangle

1111111
132517884911214702736513106309632134423599076368353281
117884911064936976485982862694534376183545107456001
111214702736485982862694534376383642256188417
16513106309632134376183545107456001
134423599076368353281
1

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Last modified March 28 17:42 EDT 2024. Contains 371254 sequences. (Running on oeis4.)