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Search: id:A062329
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| A062329 |
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Sum of digits of n - product of digits of n. |
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+0
7
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| 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, -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, -14, -19, -24, -29, -34, -39, 7, 1, -5, -11, -17, -23, -29, -35, -41, -47, 8, 1, -6, -13, -20, -27
(list; graph; listen)
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OFFSET
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0,21
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EXAMPLE
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a(23) = 2+3 - 2*3 = -1.
a(49) = -(4*9)+(4+9) = -36 + 13 = -23.
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MATHEMATICA
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f[n_] := (a = IntegerDigits[n]; Plus @@ a - Times @@ a); Table[ f[n], {n, 0, 75}] (Robert G. Wilson v)
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CROSSREFS
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Cf. A007953, A007954, A034710, A062996, A062997, A062998, A062999, A070565.
Sequence in context: A053646 A080776 A065358 this_sequence A022958 A023444 A136868
Adjacent sequences: A062326 A062327 A062328 this_sequence A062330 A062331 A062332
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KEYWORD
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sign,base,easy
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AUTHOR
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Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jun 21 2001
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EXTENSIONS
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Corrected and extended by Larry Reeves (larryr(AT)acm.org), Jun 22 2001
Signed version from Henry Bottomley (se16(AT)btinternet.com), Jun 29 2001
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