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A187606 as a triangular array

1
40
910
16900
2525900
364936000
498110028000
641211961448000
811693243401300000
100225484675500960000
12128967611201274711480000
144361900167523722083

A187606 as a square array

149162536496481100121144
019254981121169225289361
00936100196324484676900
0002814434067511201675
000813050012742372
0000967112083
000048
0000
000
00
0
149162536496481100121144
019254981121169225289361
00936100196324484676900
0002814434067511201675
000813050012742372
0000967112083
000048
0000
000
00
0