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A372820 as a triangular array

1
02
033
0084
0016155
00050246
000125108357
0000432196488
000012961029320639
00003156480220484868010
00007734218581228836457009911

A372820 as a square array

10000000000
2300000000
3816000000
415501250000
524108432129631567734
6351961029480221858
748320204812288
8634863645
980700
1099
11
10000000000
2300000000
3816000000
415501250000
524108432129631567734
6351961029480221858
748320204812288
8634863645
980700
1099
11