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Search: id:A013768
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A013768 21^(3n+1). +0
1
21, 194481, 1801088541, 16679880978201, 154472377739119461, 1430568690241985328321, 13248496640331026125580781, 122694327386105632949003612841, 1136272165922724266740722458520501, 10523016528610349434285830688358359761 (list; graph; listen)
OFFSET

0,1
LINKS

Tanya Khovanova, Recursive Sequences

CROSSREFS

Sequence in context: A001167 A100414 A068735 this_sequence A033636 A138080 A013814

Adjacent sequences: A013765 A013766 A013767 this_sequence A013769 A013770 A013771

KEYWORD

nonn

AUTHOR

njas

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

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