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Search: id:A062920
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| A062920 |
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When expressed in base 4 and then interpreted in base 5, is a multiple of the original number. |
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+0
1
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| 0, 1, 2, 3, 1060, 2137, 3197, 3214, 3217, 3337, 313259, 313406, 730473, 2304689, 2416087, 3579260
(list; graph; listen)
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OFFSET
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0,3
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EXAMPLE
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3 in base 4 is 3, which interpreted in base 5 is 3=1*3
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PROGRAM
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(PARI) baseE(x, b)= { local(d, e, f); e=0; f=1; while (x>0, d=x-b*(x\b); x\=b; e+=d*f; f=f*10); return(e) } baseI(x, b)= { local(d, e, f); e=0; f=1; while (x>0, d=x-10*(x\10); x\=10; e+=d*f; f=f*b); return(e) } { n=-1; for (m=0, 10^9, x=baseI(baseE(m, 4), 5); if (x%m == 0, write("b062920.txt", n++, " ", m); if (n==15, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 13 2009]
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CROSSREFS
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Sequence in context: A076155 A136611 A004898 this_sequence A036111 A097549 A004909
Adjacent sequences: A062917 A062918 A062919 this_sequence A062921 A062922 A062923
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KEYWORD
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base,nonn
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AUTHOR
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Erich Friedman (efriedma(AT)stetson.edu), Jul 21 2001
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EXTENSIONS
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More terms from Naohiro Nomoto (6284968128(AT)geocities.co.jp), Aug 06 2001
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