|
| |
|
|
A063997
|
|
Multiples of 4 whose digits add to 4.
|
|
7
| |
|
|
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; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 0,1
|
|
|
LINKS
| Harry J. Smith, Table of n, a(n) for n=0,...,217
|
|
|
EXAMPLE
| 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.
|
|
|
MATHEMATICA
| Select[4Range[120000], Total[IntegerDigits[#]]==4&] (* From Harvey P. Dale, May 07 2011 *)
|
|
|
PROG
| (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]
|
|
|
CROSSREFS
| Cf. A069521 to A069530, A069532, A069533, A069534, A069535, A069536, A069537, A052217.
Sequence in context: A061473 A091104 A069539 * A187378 A199833 A163322
Adjacent sequences: A063994 A063995 A063996 * A063998 A063999 A064000
|
|
|
KEYWORD
| base,easy,nonn
|
|
|
AUTHOR
| Lisa O. Coulter (lcoulter(AT)stetson.edu), Sep 06 2001
|
|
|
EXTENSIONS
| More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), Sep 28 2003
|
| |
|
|
