**Column 0 of triangle A101980, which is the matrix logarithm of A008459 (squared entries of Pascal's triangle).**

*0, 1, 1, 4, 33, 456, 9460, 274800, 10643745, 530052880, 32995478376*

*2 seqfan posts*

Index of A-numbers in seqfan: by ascending order by month by frequency by keyword

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