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Search: id:A012212
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A012212 Number of square-free palindromes over {0, 1, 2} of length 2n+1. +0
1
3, 6, 6, 12, 12, 12, 12, 18, 18, 24, 36, 48, 60, 84, 102, 138, 186, 246, 306, 378, 486, 630, 816, 1050, 1350, 1782, 2328, 2988, 3870, 5076, 6624 (list; graph; listen)
OFFSET

0,1
CROSSREFS

Sequence in context: A066779 A132384 A066297 this_sequence A080866 A066393 A127777

Adjacent sequences: A012209 A012210 A012211 this_sequence A012213 A012214 A012215

KEYWORD

nonn,base

AUTHOR

Jeffrey Shallit (shallit(AT)graceland.uwaterloo.ca)

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Last modified July 25 07:41 EDT 2008. Contains 142293 sequences.

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