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A083868 Number of palindromic divisors d of n-th 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 (list; graph; refs; listen; history; text; internal format)
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

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Last modified November 22 06:11 EST 2017. Contains 295076 sequences.