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A128228 as a triangular array

1
22
363
48124
51015205
6121824306
714212835427
81624324048568
9182736455463729
10203040506070809010

A128228 as a square array

12345678910
268101214161820
312151821242730
4202428323640
53035404550
642485460
7566370
87280
990
10

A128228 as an upper right triangle

12345678910
268101214161820
312151821242730
4202428323640
53035404550
642485460
7566370
87280
990
10

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Last modified July 15 22:48 EDT 2019. Contains 325061 sequences. (Running on oeis4.)