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A171631 as a triangular array

1
42
9123
1636244
258090405
36150240180606
49252525560315847
643921008140011205041128
8157617643024315020167561449
10081028805880756063003360108018010
1211100

A171631 as a square array

149162536496481100121
21236801502523925768101100
32490240525100817642880
440180560140030245880
560315112031507560
68450420166300
71127563360
81441080
9180
10
149162536496481100121
21236801502523925768101100
32490240525100817642880
440180560140030245880
560315112031507560
68450420166300
71127563360
81441080
9180
10