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A104712 as a triangular array

1
31
641
101051
15201561
2135352171
285670562881
3684126126843691
4512021025221012045101
5516533046246233016555111
6622049579292479249522066121
78286715

A104712 as a square array

136101521283645556678
141020355684120165220286
15153570126210330495715
162156126252462792
172884210462924
1836120330792
1945165495
11055220
11166
112
1
136101521283645556678
141020355684120165220286
15153570126210330495715
162156126252462792
172884210462924
1836120330792
1945165495
11055220
11166
112
1