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A008956 as a triangular array

1
11
1109
135259225
18419741291611025
116587781728101057221893025
128628743123494821967231128816766108056025
145577077609251523067344338412788052187808947918261468225
1680

A008956 as a square array

111111111
1103584165286455680
9259197487782874377077
2251291617281012349486092515
11025105722121967231230673443
8930251288167663841278805
10805602521878089479
18261468225
111111111
1103584165286455680
9259197487782874377077
2251291617281012349486092515
11025105722121967231230673443
8930251288167663841278805
10805602521878089479
18261468225