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Search: id:A136006
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A136006 a(n) = n^6 - n^3. +0
1
0, 0, 56, 702, 4032, 15500, 46440, 117306, 261632, 530712, 999000, 1770230, 2984256, 4824612, 7526792, 11387250, 16773120, 24132656, 34006392, 47039022, 63992000, 85756860, 113369256, 148023722, 191089152, 244125000, 308898200 (list; graph; listen)
OFFSET

0,3

FORMULA

G.f.: (2*x^6 + 58*x^5 + 294*x^4 + 310*x^3 + 56*x^2)/(-x^7 + 7*x^6 - 21*x^5 + 35*x^4 - 35*x^3 + 21*x^2 - 7*x + 1) - Alexander R. Povolotsky (pevnev(AT)juno.com), Apr 01 2008

CROSSREFS

Sequence in context: A027793 A055747 A027813 this_sequence A138410 A105940 A008389

Adjacent sequences: A136003 A136004 A136005 this_sequence A136007 A136008 A136009

KEYWORD

easy,nonn

AUTHOR

Rolf Pleisch (r_pleisch(AT)gmx.ch), Mar 16 2008

EXTENSIONS

Extended by Ray Chandler (rayjchandler(AT)sbcglobal.net), Dec 13 2008

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Last modified November 25 20:09 EST 2009. Contains 167514 sequences.


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