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A210869 as a triangular array

1
02
103
0305
10708
04015013
1012030021
05031058034
10180730109055
0605401620201089
10250145034403650144
070850361070706550233
10

A210869 as a square array

1010101010101
203040506070
3070120180250
5015031054085
803007301450
1305801620361
21010903440
3402010707
5503650
890655
1440
233
1010101010101
203040506070
3070120180250
5015031054085
803007301450
1305801620361
21010903440
3402010707
5503650
890655
1440
233