

A083868


Number of palindromic divisors d of nth decimal palindrome m, such that 9<d<m.


1



0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 2, 1, 3, 1, 3, 2, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 3, 0, 1, 0, 1, 0, 1, 0, 0, 1, 0, 0, 3, 0, 0, 1, 2, 0, 1, 0, 2, 0, 1, 0, 5, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 3, 5, 1, 1, 1, 0, 3, 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 1, 0, 0, 3, 0, 1, 0, 2, 4, 1, 0, 3, 0, 2, 0, 0, 1, 0, 0, 1
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OFFSET

1,13


LINKS

Table of n, a(n) for n=1..105.


EXAMPLE

n=116, divisors of A002113(116) = 1771 are
{1,7,11,23,77,161,253,1771}, 6 of them are palindromes {1,7,11,77,161,1771}
and three are >9 and <1771: {11,77,161}, therefore
a(116) = 3 < A083867(116) = 6 < A076888(116) = 8.


CROSSREFS

Cf. A078337, A083867, A076888, A000005, A002113.
Sequence in context: A130158 A187497 A104984 * A128199 A249617 A278801
Adjacent sequences: A083865 A083866 A083867 * A083869 A083870 A083871


KEYWORD

nonn,base


AUTHOR

Reinhard Zumkeller, May 07 2003


STATUS

approved



