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A195759
Greater prime factor of n-th Blum number.
4
7, 11, 19, 23, 11, 31, 43, 19, 47, 23, 59, 67, 19, 71, 31, 79, 83, 23, 43, 103, 107, 47, 31, 127, 131, 59, 139, 23, 151, 67, 43, 163, 71, 167, 47, 179, 79, 191, 83, 31, 199, 211, 59, 223, 227, 31, 239, 103, 67, 107, 251, 71, 263, 271, 43, 283, 79, 127, 47
OFFSET
1,1
COMMENTS
A195758(n) * a(n) = A016105(n); a(n) > A195758(n);
a(n) = A006530(A016105(n)).
LINKS
Wikipedia, Blum integer
PROG
(Haskell)
a195759 = a006530 . a016105
CROSSREFS
Cf. A070647.
Sequence in context: A190689 A048215 A131192 * A130570 A106081 A329857
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Sep 23 2011
STATUS
approved