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Search: id:A057107
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A057107 Octagonal palindromes. +0
3
1, 8, 8008, 120232021, 124060421, 161656161, 185464581, 544721127445, 616947749616, 3333169613333, 3333802083333, 6506939396056, 12212500521221, 5466543663456645, 3310988011108890133, 520752145595541257025 (list; graph; listen)
OFFSET

1,2

LINKS

P. De Geest, Palindromic Octagonals

CROSSREFS

Cf. A057106, A000567.

Sequence in context: A090494 A079656 A114773 this_sequence A052152 A055308 A165429

Adjacent sequences: A057104 A057105 A057106 this_sequence A057108 A057109 A057110

KEYWORD

nonn,base

AUTHOR

Patrick De Geest (pdg(AT)worldofnumbers.com), Aug 15 2000.

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Last modified December 1 19:22 EST 2009. Contains 167811 sequences.


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