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Search: id:A113773
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OFFSET
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1,2
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EXAMPLE
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The number of distinct prime factors of 212 is 2 which is the third term in the sequence.
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MAPLE
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catL := proc(a, b) a*10^(max(1, ilog10(b)+1))+b ; end: A008352 := proc(n) option remember ; if n <= 1 then n+1 ; else catL( A008352(n-2), A008352(n-1)) ; fi ; end: A113773 := proc(n) nops( numtheory[factorset](A008352(n))) ; end: for n from 1 do print(A113773(n)) ; od: - R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Feb 06 2008
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CROSSREFS
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Cf. A008352.
Sequence in context: A035657 A018053 A067619 this_sequence A060749 A138305 A079375
Adjacent sequences: A113770 A113771 A113772 this_sequence A113774 A113775 A113776
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KEYWORD
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more,nonn
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AUTHOR
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Parthasarathy Nambi (PachaNambi(AT)yahoo.com), Jan 19 2006
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