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A038307 as a triangular array

1
105
10010025
10001500750125
1000020000150005000625
100000250000250000125000312503125
100000030000003750000250000093750018750015625
10000000350000005250000043750000

A038307 as a square array

110100100010000100000100000010000000
5100150020000250000300000035000000
2575015000250000375000052500000
1255000125000250000043750000
62531250937500
3125187500
15625

A038307 as an upper right triangle

110100100010000100000100000010000000
5100150020000250000300000035000000
2575015000250000375000052500000
1255000125000250000043750000
62531250937500
3125187500
15625

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Last modified October 15 00:14 EDT 2019. Contains 328025 sequences. (Running on oeis4.)