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A247704 as a triangular array

1
10
302
361640
17722010004
13001720816144260
8866111525616178452408
548498501651116183804656584880
3729436227324487441893605213089481908016
24669864528336367011618061605822501271402220619122480

A247704 as a square array

1133617713008866548493729432466986
0016220172011152850166227324528336
241008165616511164487443670116
001441784183801893601806160
426524465652130582250
005848948127140
888190822206
001912
16248
0
1133617713008866548493729432466986
0016220172011152850166227324528336
241008165616511164487443670116
001441784183801893601806160
426524465652130582250
005848948127140
888190822206
001912
16248
0