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A039819 Number of divisors of A033950(n). +0
5
1, 2, 4, 3, 6, 6, 8, 9, 8, 8, 12, 12, 10, 12, 8, 12, 8, 12, 8, 12, 8, 8, 12, 18, 8, 12, 9, 12, 8, 20, 8, 18, 12, 18, 8, 8, 8, 12, 24, 12, 8, 16, 18, 8, 9, 12, 14, 18, 18, 8, 24, 8, 12, 24, 12, 8, 20, 12, 8, 8, 24, 18, 5, 8, 12, 16, 8, 24, 18, 12, 8, 30, 12, 8, 24, 12, 8, 8, 18, 12, 8, 24, 8 (list; graph; listen)
OFFSET

1,2

MATHEMATICA

fQ[n_] := Mod[n, DivisorSigma[0, n]] == 0; DivisorSigma[0, # ] & /@ Select[ Range[1000], fQ[ # ] &] (* Robert G. Wilson v *)

CROSSREFS

A033950(n)/a(n) = A036762(n).

Sequence in context: A143273 A141429 A162953 this_sequence A083050 A083044 A126714

Adjacent sequences: A039816 A039817 A039818 this_sequence A039820 A039821 A039822

KEYWORD

nonn

AUTHOR

N. J. A. Sloane (njas(AT)research.att.com).

EXTENSIONS

More terms from Robert G. Wilson v (rgwv(at)rgwv.com), Oct 29 2005

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Last modified November 25 08:46 EST 2009. Contains 167481 sequences.


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