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A186619 as a triangular array

68719476736
7865478654
1405523201140552
65470050725072654700
3764191258526758258523764191
15228305137138309973099713713815228305
401505994516211721928833617219245162140150599
71051374

A186619 as a square array

68719476736786541405526547003764191152283054015059971051374
786543201507225852137138451621
1405525072675830997172192
654700258523099788336
3764191137138172192
15228305451621
40150599
68719476736786541405526547003764191152283054015059971051374
786543201507225852137138451621
1405525072675830997172192
654700258523099788336
3764191137138172192
15228305451621
40150599