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Search: id:A050720
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| A050720 |
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Number of palindromes of length n and containing the digit '0'. |
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+0
2
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| 0, 0, 9, 9, 171, 171, 2439, 2439, 30951, 30951, 368559, 368559, 4217031, 4217031, 46953279, 46953279, 512579511, 512579511, 5513215599, 5513215599, 58618940391, 58618940391, 617570463519, 617570463519, 6458134171671
(list; graph; listen)
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OFFSET
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1,3
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EXAMPLE
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For length 3 we find nine numbers 101, 202, ... 909.
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CROSSREFS
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Cf. A050683, A050686.
Adjacent sequences: A050717 A050718 A050719 this_sequence A050721 A050722 A050723
Sequence in context: A092548 A121389 A065242 this_sequence A124116 A058200 A067450
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KEYWORD
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nonn,base
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AUTHOR
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Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 1999.
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EXTENSIONS
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More terms from Michael Lugo (mlugo(AT)thelabelguy.com), Dec 22 1999
Corrected by T. D. Noe (noe(AT)sspectra.com), Nov 08 2006
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