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A071948 as a triangular array

1
12
147
161830
183388143
11052182455728
11275320102024483876
114102510193858141356621318
1161337603325117043364976912120175
118168107853132125270840197340444015

A071948 as a square array

1111111111
24681012141618
718335275102133168
30881823205107601078
1434551020193833255313
728244858141170421252
3876135663364970840
2131876912197340
120175444015
1111111111
24681012141618
718335275102133168
30881823205107601078
1434551020193833255313
728244858141170421252
3876135663364970840
2131876912197340
120175444015

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Last modified September 21 04:06 EDT 2024. Contains 376079 sequences. (Running on oeis4.)