Search: id:A062329
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%I A062329
%S A062329 0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,2,1,0,1,2,3,4,5,6,7,3,1,1,3,5,
               7,
%T A062329 9,11,13,15,4,1,2,5,8,11,14,17,20,23,5,1,3,7,11,15,19,23,27,31,6,1,4,9,
%U A062329 14,19,24,29,34,39,7,1,5,11,17,23,29,35,41,47,8,1,6,13,20,27,34,41,48
%V A062329 0,0,0,0,0,0,0,0,0,0,1,1,1,1,1,1,1,1,1,1,2,1,0,-1,-2,-3,-4,-5,-6,-7,3,
               1,-1,-3,-5,-7,-9,
%W A062329 -11,-13,-15,4,1,-2,-5,-8,-11,-14,-17,-20,-23,5,1,-3,-7,-11,-15,-19,-23,
               -27,-31,6,1,
%X A062329 -4,-9,-14,-19,-24,-29,-34,-39,7,1,-5,-11,-17,-23,-29,-35,-41,-47,8,1,
               -6,-13,-20,-27
%N A062329 Sum of digits of n - product of digits of n.
%H A062329 Harry J. Smith, <a href="b062329.txt">Table of n, a(n) for n=0,...,1000</
               a>
%e A062329 a(23) = 2+3 - 2*3 = -1.
%e A062329 a(49) = -(4*9)+(4+9) = -36 + 13 = -23.
%t A062329 f[n_] := (a = IntegerDigits[n]; Plus @@ a - Times @@ a); Table[ f[n], 
               {n, 0, 75}] (Robert G. Wilson v)
%o A062329 (PARI) SumD(x)= { s=0; while (x>9, s+=x-10*(x\10); x\=10); return(s + 
               x) } ProdD(x)= { p=1; while (x>9, p*=x-10*(x\10); x\=10); return(p*x) 
               } { for (n=0, 1000, write("b062329.txt", n, " ", SumD(n) - ProdD(n)) 
               ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Aug 05 2009]
%Y A062329 Cf. A007953, A007954, A034710, A062996, A062997, A062998, A062999, A070565.
%Y A062329 Sequence in context: A053646 A080776 A065358 this_sequence A022958 A023444 
               A136868
%Y A062329 Adjacent sequences: A062326 A062327 A062328 this_sequence A062330 A062331 
               A062332
%K A062329 sign,base,easy
%O A062329 0,21
%A A062329 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 21 2001
%E A062329 Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jun 22 2001
%E A062329 Signed version from Henry Bottomley (se16(AT)btinternet.com), Jun 29 
               2001

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