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A155868 as a triangular array

1
11
111
1661
136121361
1240175017502401
1180023290506252329018001
11512030870011936401193640308700151201
1141120420789625738720458193612573872042078961411201
1145152059832864535810464151045851615104585165358104645983286414515201

A155868 as a square array

1111111111
116362401800151201411201451520
16121175023290308700420789659832864
136175050625119364025738720535810464
1240232901193640458193611510458516
11800308700257387201510458516
1151204207896535810464
114112059832864
11451520
1
1111111111
116362401800151201411201451520
16121175023290308700420789659832864
136175050625119364025738720535810464
1240232901193640458193611510458516
11800308700257387201510458516
1151204207896535810464
114112059832864
11451520
1