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A099543
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Sums of the prime factors of the Rhonda numbers to base 10 (sequence A099542). The terms in this sequence are equal to (Product of digits of terms of A099542)/10, which is simply the definition of Rhonda numbers to base 10.
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0
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24, 24, 28, 30, 54, 72, 32, 24, 48, 72, 30, 216, 54, 64, 72, 126, 162, 60, 90, 168, 504, 84, 63, 84, 504, 70, 270, 168, 54, 96, 252, 288, 96, 168, 343, 784, 96, 216, 405, 96, 324, 108, 48, 1260, 160, 144, 192, 1134, 243, 252, 1080, 72, 192, 144, 486, 81, 48
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Eric Weisstein's World of Mathematics, Rhonda Number
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EXAMPLE
| The first term in A099542 is 1568. The sum of its prime factors is 24.
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MATHEMATICA
| rnQ[n_]:=Times@@IntegerDigits[n]==10Total[Times@@@FactorInteger[n]]; Times@@IntegerDigits[#]/10&/@ Select[Range[350000], rnQ] (* From Harvey P. Dale, Mar 13 2011 *)
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CROSSREFS
| Cf. A099542.
Sequence in context: A023466 A010863 A115028 * A188311 A185497 A186939
Adjacent sequences: A099540 A099541 A099542 * A099544 A099545 A099546
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KEYWORD
| nonn,base
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AUTHOR
| Mark Hudson (mrmarkhudson(AT)hotmail.com), Oct 21 2004
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EXTENSIONS
| More terms from Harvey P. Dale, Mar 13 2011.
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