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A048906 Octagonal heptagonal numbers. +0
3
1, 297045, 69010153345, 16032576845184901, 3724720317758036481633, 865334473646149974640821781, 201036235582696134090746961388705, 46705140322177796790584365589105966085 (list; graph; listen)
OFFSET

1,2

LINKS

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

CROSSREFS

Cf. A048904, A048905.

Sequence in context: A137817 A137818 A164946 this_sequence A119740 A022246 A050257

Adjacent sequences: A048903 A048904 A048905 this_sequence A048907 A048908 A048909

KEYWORD

nonn

AUTHOR

Eric Weisstein (eric(AT)weisstein.com)

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Last modified December 17 19:39 EST 2009. Contains 170821 sequences.


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