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A365383 as a triangular array

1
21
322
5343
75666
1179897
15111313141314
2215191720172016
302226262726282627
42303734393340343934
5642504952505451545353

A365383 as a square array

12357111522304256
123571115223042
24691319263750
3681317263449
691420273952
71317263350
1420284054
16263451
273954
3453
53
12357111522304256
123571115223042
24691319263750
3681317263449
691420273952
71317263350
1420284054
16263451
273954
3453
53