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A054618 as a triangular array

1
26
31233
42496280
54025510403145
68478042001581046956
714022051640878155279972823585
82886672658403913201681008576732816781472
95401975526229619534051007816440354335134218800387422001

A054618 as a square array

123456789
612244084140288540
33962557802205667219755
280104042001640865840262296
314515810781553913201953405
46956279972168100810078164
823585576732840354335
16781472134218800
387422001
123456789
612244084140288540
33962557802205667219755
280104042001640865840262296
314515810781553913201953405
46956279972168100810078164
823585576732840354335
16781472134218800
387422001