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Search: id:A017967
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A017967 Powers of sqrt(21) rounded down. +0
1
1, 4, 21, 96, 441, 2020, 9261, 42439, 194481, 891223, 4084101, 18715701, 85766121, 393029741, 1801088541, 8253624572, 37822859361, 173326116021, 794280046581, 3639848436450, 16679880978201, 76436817165460 (list; graph; listen)
OFFSET

0,2
CROSSREFS

Sequence in context: A057333 A034960 A134424 this_sequence A076901 A080043 A113022

Adjacent sequences: A017964 A017965 A017966 this_sequence A017968 A017969 A017970

KEYWORD

nonn

AUTHOR

njas

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.

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