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Search: id:A013726
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A013726 21^(2n+1). +0
1
21, 9261, 4084101, 1801088541, 794280046581, 350277500542221, 154472377739119461, 68122318582951682301, 30041942495081691894741, 13248496640331026125580781, 5842587018385982521381124421 (list; graph; listen)
OFFSET

0,1
LINKS

Tanya Khovanova, Recursive Sequences

CROSSREFS

Sequence in context: A074053 A028451 A135823 this_sequence A048914 A046183 A115485

Adjacent sequences: A013723 A013724 A013725 this_sequence A013727 A013728 A013729

KEYWORD

nonn,easy

AUTHOR

njas

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Last modified September 6 16:04 EDT 2008. Contains 143483 sequences.

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