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A143310 as a triangular array

1
32
623
10634
156345
21129456
281294567
36209125678
4520181256789
5530181215678910
663018121567891011
784230241518789101112

A143310 as a square array

136101521283645556678
226612122020303042
33399918181830
44441212121224
55555151515
66666618
777777
88888
9999
101010
1111
12
136101521283645556678
226612122020303042
33399918181830
44441212121224
55555151515
66666618
777777
88888
9999
101010
1111
12