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A209752 as a triangular array

1
22
264
39168
316334016
420671059632
43010324230522464
535169441793833512128
5482307921664242421771152256
654338123032725736703155052560512
670430

A209752 as a square array

12233445566
26916203035485470
4163367103169230338430
8401052424417921230
169630579316643272
3222483324245736
6451221777031
12811525505
2562560
512
12233445566
26916203035485470
4163367103169230338430
8401052424417921230
169630579316643272
3222483324245736
6451221777031
12811525505
2562560
512