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A145193
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Omega(6n-1) + Omega(6n+1)
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2
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2, 2, 2, 3, 2, 3, 2, 3, 3, 2, 3, 2, 3, 3, 3, 3, 2, 2, 3, 4, 4, 3, 2, 4, 2, 3, 3, 3, 4, 2, 4, 2, 2, 4, 3, 4, 3, 2, 3, 2, 5, 3, 3, 3, 2, 4, 2, 4, 3, 4, 3, 2, 3, 5, 3, 3, 5, 2, 3, 3
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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EXAMPLE
| For n=1, Omega(6n-1) + Omega(6n+1) = Omega(5) + Omega(7) = 1+1 = 2, so a(1)=2.
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MATHEMATICA
| For[x=6, x<601, x+=6, S=0; T=0; For[k=1, k< Length[FactorInteger[x-1]]+1, k++, S+= FactorInteger[x-1][[k]][[2]]]; For[m=1, m<Length[FactorInteger[x+1]]+1, m++, T+= FactorInteger[x+1][[m]][[2]]]; Print[x/6, " ", S+T]]
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CROSSREFS
| Cf. A145194
Sequence in context: A091322 A071215 A164024 * A175872 A143117 A076221
Adjacent sequences: A145190 A145191 A145192 * A145194 A145195 A145196
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KEYWORD
| nonn
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AUTHOR
| Arran Fernandez (arran(AT)borve.org), Oct 03 2008
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