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A104684 as a triangular array

1
21
661
2030121
7014090201
252630560210301
924277231501680420421
34321201216632115504200756561
128705148084084720723465092401260721
48620218790411840420420252252

A104684 as a square array

126207025292434321287048620
163014063027721201251480218790
1129056031501663284084411840
12021016801155072072420420
130420420034650252252
1427569240
1561260
172
1
126207025292434321287048620
163014063027721201251480218790
1129056031501663284084411840
12021016801155072072420420
130420420034650252252
1427569240
1561260
172
1