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A298902 as a triangular array

0
00
010
0110
02120
032230
0534350
0871010780
0131224322412130
02125561201205625210
0344714247196347114247340
05596346207046894689207034696550
0

A298902 as a square array

0000000000000
011235813213455
01123712254796
0224102456142346
03310321204712070
057241209634689
0812564714689
013251422070
02147346
03496
055
0
0000000000000
011235813213455
01123712254796
0224102456142346
03310321204712070
057241209634689
0812564714689
013251422070
02147346
03496
055
0