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A126217 as a triangular array

1
01
011
0041
00491
00025161
0002581251
0000196196361
0000196784400491
0000017642304729641
000001764810056251225811
00000017424272251210019361001
0000001742488209756252371629161211

A126217 as a square array

1000000000000
110000000000
14400000000
192525000000
116811961960000
1251967841764176400
136400230481001742417424
14972956252722588209
16412251210075625
181193623716
11002916
1121
1
1000000000000
110000000000
14400000000
192525000000
116811961960000
1251967841764176400
136400230481001742417424
14972956252722588209
16412251210075625
181193623716
11002916
1121
1