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Search: id:A116890
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| A116890 |
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"Printer's errors" of second kind (trivial multiples of 10 omitted). |
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+0
3
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| 170471, 1740725, 10744475, 52521875, 582100992, 896914944, 906992640, 1010744168, 1334161125, 3368633184, 3673320192, 4251157632, 4437518596
(list; graph; listen)
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OFFSET
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1,1
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COMMENT
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Numbers n=abcde... that can be written as n = a*b^c*d^e..., where the last operation can be either a multiplication or an exponentiation. Cf. with A096298 where the first operation is an exponentiation. The expressions, up to 10^10, are 1*7^04*71, 1*7^4*0725, 1*07^4*4475, 5*25^2*1^8*7^5, 58*2^10*099^2, 89*6^9*1^4944, 90*6^9*9264^0, 101*07^4*4168, 1*33^4*1^6*1125, 3368*63^3*1^8*4, 3*6^7*3^3*2^01*9^2, 4*2^5*1^1*5763^2, 443*7^5*1^8*596.
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EXAMPLE
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896914944 = 89*6^9*1^4944.
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CROSSREFS
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Two other version of the "printer's errors" sequence are A156322 and A096298.
Sequence in context: A156427 A034211 A089203 this_sequence A126894 A049053 A076814
Adjacent sequences: A116887 A116888 A116889 this_sequence A116891 A116892 A116893
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KEYWORD
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base,hard,more,nonn
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AUTHOR
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Giovanni Resta (g.resta(AT)iit.cnr.it), Feb 27 2006
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