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A088891 Polynexus numbers (of order 9). +0
6
1, 38, 481, 3355, 16120, 60071, 186238, 502386, 1215435, 2694340, 5559191, 10803013, 19953466, 35282365, 60071660, 98945236, 158276613, 246683346, 375619645, 560079455, 819422956, 1178340163 (list; graph; listen)
OFFSET

0,2

LINKS

X. Acloque, Polynexus Numbers and other mathematical wonders.

FORMULA

a(n)=[(n^9-(n-1)^9)-(n^3-(n-1)^3)]/504, or a(n)=[(n^9-(n-1)^9)-(n^3-(n-1)^3)]/(2^9-2^3)

CROSSREFS

Cf. A079547, A083200, A088889, A088890, A088892, A088893, A088894.

Adjacent sequences: A088888 A088889 A088890 this_sequence A088892 A088893 A088894

Sequence in context: A007229 A039685 A006418 this_sequence A094034 A020931 A089271

KEYWORD

nonn

AUTHOR

Xavier Acloque Oct 21 2003

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Last modified October 13 20:18 EDT 2008. Contains 145016 sequences.


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