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A223352 as a triangular array

6
1212
285228
6023623660
140107622801076140
300490820836208364908300
7002238820226440598820226422388700
150010212418510207918948791894818510201021241500
350046584417970056

A223352 as a square array

612286014030070015003500
12522361076490822388102124465844
28236228020836202264185102017970056
601076208364059887918948
14049082022647918948
300223881851020
700102124
1500
612286014030070015003500
12522361076490822388102124465844
28236228020836202264185102017970056
601076208364059887918948
14049082022647918948
300223881851020
700102124
1500