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A340475 as a triangular array

1
11
161
129291
11395001391
1666832983296661
1319113830146373613830131911
115289229570125543057255430572295701152891
1732543810572914043124914614756624140431249138105729732541

A340475 as a square array

111111111
162913966631911528973254
1295008329138301229570138105729
11398329463736255430571404312491
1666138301255430574614756624
1319122957011404312491
11528938105729
173254
1
111111111
162913966631911528973254
1295008329138301229570138105729
11398329463736255430571404312491
1666138301255430574614756624
1319122957011404312491
11528938105729
173254
1