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A130071 as a triangular array

2
21
203
2104
20009
213007
20000015
210400012
2030000018
21009000017

A130071 as a square array

2222222222
101010101
30030030
4000400
900009
70000
15000
1200
180
17
2222222222
101010101
30030030
4000400
900009
70000
15000
1200
180
17