A142971 - OEIS

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A142971 as a triangular array

0

-2 0

-3 0 0

0 -2 0 0

-5 0 0 0 0

0 -3 -2 0 0 0

-7 0 0 0 0 0 0

0 0 0 -2 0 0 0 0

0 0 -3 0 0 0 0 0 0

0 -5 0 0 -2 0 0 0 0 0

-11 0 0 0 0 0 0 0 0 0 0

0 0 0 -3 0 -2 0 0 0 0 0 0

-13 0 0 0 0 0 0 0 0 0 0 0 0

0 -7 0 0 0 0 -2 0 0 0 0 0 0 0

0 0 -5 0 -3 0 0 0 0 0 0 0

A142971 as a square array

0 -2 -3 0 -5 0 -7 0 0 0 -11 0 -13 0 0

0 0 -2 0 -3 0 0 0 -5 0 0 0 -7 0

0 0 0 -2 0 0 -3 0 0 0 0 0 -5

0 0 0 0 -2 0 0 0 -3 0 0 0

0 0 0 0 0 -2 0 0 0 0 -3

0 0 0 0 0 0 -2 0 0 0

0 0 0 0 0 0 0 -2 0

0 0 0 0 0 0 0 0

0 0 0 0 0 0 0

0 0 0 0 0 0

0 0 0 0 0

0 0 0 0

0 0

0

A142971 as an upper right triangle