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A134867 as a triangular array

1
31
521
8421
105321
1485321
16964321
2012864321
231410754321
2717129754321
291813108654321
35231713108654321
372418141197654321

A134867 as a square array

1358101416202327293537
124589121417182324
1235681012131718
1234679101314
12345781011
12345689
1234567
123456
12345
1234
123
12
1
1358101416202327293537
124589121417182324
1235681012131718
1234679101314
12345781011
12345689
1234567
123456
12345
1234
123
12
1