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A074196 Sum of palindromes from the smallest prime factor of n to the largest prime factor of n. +0
1
0, 2, 3, 2, 5, 5, 7, 2, 3, 14, 11, 5, 0, 27, 12, 2, 0, 5, 0, 14, 25, 55, 0, 5, 5, 55, 3, 27, 0, 14, 0, 2, 53, 55, 18, 5, 0, 55, 53, 14, 0, 27, 0, 55, 12, 77, 0, 5, 7, 14, 53, 55, 0, 5, 46, 27, 53, 77, 0, 14, 0, 77, 25, 2, 46, 55, 0, 55, 75, 27, 0, 5, 0, 110, 12, 55, 35, 55, 0, 14, 3, 110, 0 (list; graph; listen)
OFFSET

1,2

EXAMPLE

a(203)=57 because 203=7*29 and sum of palindromes between 7 and 29 is: 7+8+9+11+22 = 57.

CROSSREFS

Sequence in context: A123528 A074036 A074251 this_sequence A153023 A068319 A133775

Adjacent sequences: A074193 A074194 A074195 this_sequence A074197 A074198 A074199

KEYWORD

base,easy,nonn

AUTHOR

Jason Earls (zevi_35711(AT)yahoo.com), Sep 19 2002

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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