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A331437 as a triangular array

1
01
000
0004
00005
0000096
00010120427
00002018012606448
00001542037802352056961
0000107001085079800347760892720
00001837240452693601655640640080011905091

A331437 as a square array

10000000000
1000000000
000000000
40010000
5002015101
96120180420700837
427126037801085024045
64482352079800269360
569613477601655640
8927206400800
11905091
10000000000
1000000000
000000000
40010000
5002015101
96120180420700837
427126037801085024045
64482352079800269360
569613477601655640
8927206400800
11905091