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A060440 as a triangular array

1
41
841
24741
6416441

A060440 as a square array

1482464
14716
144
14
1

A060440 as an upper right triangle

1482464
14716
144
14
1

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Last modified April 21 06:42 EDT 2019. Contains 322310 sequences. (Running on oeis4.)