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Search: id:A048924
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A048924 9-gonal octagonal numbers. +0
3
1, 631125, 286703855361, 130242107189808901, 59165603001256545014625, 26877395137662573622784125461, 12209701798707362366915379264832801, 5546550074879110936730454426529871893125 (list; graph; listen)
OFFSET

1,2

LINKS

Eric Weisstein's World of Mathematics, Link to a section of The World of Mathematics.

CROSSREFS

Cf. A048922, A048923.

Sequence in context: A161533 A053877 A141815 this_sequence A066590 A113951 A089220

Adjacent sequences: A048921 A048922 A048923 this_sequence A048925 A048926 A048927

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified December 3 22:15 EST 2009. Contains 170310 sequences.


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