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A197475 as a triangular array

1
11
323
1661
41226124
4244646244
550181184181505
898374748748374988
9194130028245408282413001949
13394288610934226722267210934288639413
17786944642474151748

A197475 as a square array

1131445891317
12612245098194394786
362646181374130028869446
1124618474828241093442474
424181748540822672151748
450374282422672
598130010934
81942886
9394
13

A197475 as an upper right triangle

1131445891317
12612245098194394786
362646181374130028869446
1124618474828241093442474
424181748540822672151748
450374282422672
598130010934
81942886
9394
13

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Last modified December 1 16:44 EST 2021. Contains 349430 sequences. (Running on oeis4.)