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A194977 as a triangular array

1
23
456
78109
1112151314
161721181920
22232824252726
2930363132353334
373845394044414243
46475548495450515253
5657665859656061626463
676878697077717273767475

A194977 as a square array

12471116222937465667
3581217233038475768
6101521283645556678
91318243139485869
1419253240495970
20273544546577
263341506071
3442516172
43526273
536476
6374
75

A194977 as an upper right triangle

12471116222937465667
3581217233038475768
6101521283645556678
91318243139485869
1419253240495970
20273544546577
263341506071
3442516172
43526273
536476
6374
75

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Last modified September 28 19:16 EDT 2021. Contains 347717 sequences. (Running on oeis4.)