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A187988 as a triangular array

0
01
023
0359
0471536
0592257117
06113082181411
0713391112606321452
08154914435591221995040
09176018146712573158759317829
010197222259716734357109202670662870

A187988 as a square array

00000000000
12345678910
35791113151719
915223039496072
365782111144181222
117181260355467597
41163291212571673
1452219931584357
5040759310920
1782926706
62870
00000000000
12345678910
35791113151719
915223039496072
365782111144181222
117181260355467597
41163291212571673
1452219931584357
5040759310920
1782926706
62870