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Search: id:A028561
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A028561 Numbers n such that n(n+6) is a palindrome. +0
1
0, 1, 5, 22, 137, 273, 715, 863, 2731, 8541, 486618, 877173, 1378507, 1731746, 2273915, 2436099, 5401396, 7153679, 7560069, 14529486, 23887419, 23975475 (list; graph; listen)
OFFSET

1,3
LINKS

P. De Geest, Palindromic Quasipronics of the form n(n+x)

CROSSREFS

Adjacent sequences: A028558 A028559 A028560 this_sequence A028562 A028563 A028564

Sequence in context: A020077 A033462 A111154 this_sequence A009638 A121942 A006294

KEYWORD

nonn

AUTHOR

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

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Last modified May 17 13:36 EDT 2008. Contains 139908 sequences.

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