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A142978 as a triangular array

1
12
143
1694
1819165
1103344256
112519685367
11473180225146498
11699304501456231649
11812947698511828333448110

A142978 as a square array

1111111111
24681012141618
391933517399129
4164496180304476
52585225501985
6361464561182
749231833
864344
981
10
1111111111
24681012141618
391933517399129
4164496180304476
52585225501985
6361464561182
749231833
864344
981
10