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Search: id:A101698
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| A101698 |
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Numbers n such that n = d_1*d_1!+d_2*d_2!+...+d_k*d_k!, where d_1 d_2 ... d_k is the decimal expansion of n. |
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+0
2
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OFFSET
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1,3
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EXAMPLE
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3371797 is in the sequence because 3371797 = 3*3!+3*3!+7*7!+1*1!+7*7!+9*9!+7*7!.
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MATHEMATICA
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Do[If[n==Apply[Plus, IntegerDigits[n]*IntegerDigits[n]! ], Print[n]], {n, 26000000}]
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CROSSREFS
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Cf. A014080, A097642, A101699.
Sequence in context: A014886 A010095 A081415 this_sequence A068745 A010084 A114676
Adjacent sequences: A101695 A101696 A101697 this_sequence A101699 A101700 A101701
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KEYWORD
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base,fini,full,nonn
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AUTHOR
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Farideh Firoozbakht (f.firoozbakht(AT)math.ui.ac.ir), Dec 18 2004
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