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Search: id:A063997
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| A063997 |
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Multiples of 4 whose digits add to 4. |
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+0
7
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| 4, 40, 112, 220, 400, 1012, 1120, 1300, 2020, 2200, 3100, 4000, 10012, 10120, 10300, 11020, 11200, 12100, 13000, 20020, 20200, 21100, 22000, 30100, 31000, 40000, 100012, 100120, 100300, 101020, 101200, 102100, 103000, 110020, 110200, 111100
(list; graph; listen)
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OFFSET
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0,1
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LINKS
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Harry J. Smith, Table of n, a(n) for n=0,...,217
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EXAMPLE
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4 is an element of the sequence, since 4 is a multiple of 4 the sum of whose digits is 4; 220 is an element of the sequence, since 220 = 4*55 and 2 + 2+ 0 = 4.
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PROGRAM
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(PARI) SumDE(x, y)= { local(s); s=0; while (x>9 && s<y, s+=x-10*(x\10); x\=10); s+=x; return(s==y) } { n=-1; forstep (m=4, 10^9, 4, if (SumDE(m, 4), write("b063997.txt", n++, " ", m); if (n==217, break)) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Sep 05 2009]
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CROSSREFS
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Cf. A069521 to A069530, A069532, A069533, A069534, A069535, A069536, A069537, A052217.
Sequence in context: A061473 A091104 A069539 this_sequence A163322 A009355 A061132
Adjacent sequences: A063994 A063995 A063996 this_sequence A063998 A063999 A064000
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KEYWORD
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base,easy,nonn
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AUTHOR
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Lisa O. Coulter (lcoulter(AT)stetson.edu), Sep 06 2001
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EXTENSIONS
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More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 28 2003
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