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A308281 as a triangular array

1
61
54181
648324361
972064801080601
174960145800324002700901
36741603674160102060011340056701261
88179840102876480342921604762800317520105841681
23808556803174474240123451776020575296017146080762048181442161

A308281 as a square array

165464897201749603674160881798402380855680
118324648014580036741601028764803174474240
1361080324001020600342921601234517760
16027001134004762800205752960
190567031752017146080
112610584762048
116818144
1216
1
165464897201749603674160881798402380855680
118324648014580036741601028764803174474240
1361080324001020600342921601234517760
16027001134004762800205752960
190567031752017146080
112610584762048
116818144
1216
1