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Search: id:A028817
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A028817 Palindromic squares with an odd number of digits. +0
2
1, 4, 9, 121, 484, 676, 10201, 12321, 14641, 40804, 44944, 69696, 94249, 1002001, 1234321, 4008004, 5221225, 6948496, 100020001, 102030201, 104060401, 121242121, 123454321, 125686521, 400080004, 404090404 (list; graph; listen)
OFFSET

1,2
LINKS

P. De Geest, Subsets of Palindromic Squares

CROSSREFS

Cf. A002779, A028816.

Sequence in context: A158642 A131760 A002779 this_sequence A057136 A048411 A065379

Adjacent sequences: A028814 A028815 A028816 this_sequence A028818 A028819 A028820

KEYWORD

nonn,base

AUTHOR

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

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

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