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A217247
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Numbers that can be obtained by inserting multiplication signs among the digits of their squares.
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1
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1, 3168, 33696, 322056, 422352, 801792, 3408048, 13304736, 24772608, 26836992, 31959648, 43932456, 98558208, 152845056, 238267008, 250677504, 362330496, 413779968, 511967232, 567502848, 646507008, 1060190208, 1273234464, 1288514304, 1503330304
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OFFSET
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1,2
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COMMENTS
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The first nontrivial term such that the resulting multiplicands have no leading zeros is given by 152845056^2 = 23361611143643136 and 2*3*3*6*1*6*1*1*14*3*6*4*3*13*6 = 152845056.
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LINKS
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EXAMPLE
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3168 is in the sequence since its square is 10036224 and 1*0036*22*4 = 3168.
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CROSSREFS
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KEYWORD
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nonn,base
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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