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A028984 Palindromes whose sum of divisors is odd. +0
1
2, 4, 8, 9, 121, 242, 484, 676, 10201, 12321, 14641, 20402, 24642, 40804, 44944, 69696, 94249, 698896, 1002001, 1234321, 2004002, 2138312, 2468642, 4008004, 5221225, 6948496, 85099058, 100020001, 102030201, 104060401, 121242121 (list; graph; listen)
OFFSET

1,1
LINKS

P. De Geest, Palindromic Squares

CROSSREFS

Sequence in context: A088274 A118418 A074810 this_sequence A153181 A043706 A028836

Adjacent sequences: A028981 A028982 A028983 this_sequence A028985 A028986 A028987

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com)

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Last modified November 22 20:51 EST 2009. Contains 167312 sequences.

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