Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A142336
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A142336 A generalized PolyLog triangular sequence of coefficients: k = (n + 1); b0 = 1; p(x,n,k)=(k - 1)!*(1 - x)^n*PolyLog[ -n, k, x]/(x*Log[1 - x]); t(n,m)=Coefficients(p(b0,n,k)). +0
1
-1, 1, -2, -1, 8, -6, 1, -24, 57, -24, -1, 64, -361, 424, -120, 1, -160, 1890, -4720, 3415, -720, -1, 384, -8828, 41642, -59543, 30036, -5040, 1, -896, 38199, -317072, 803383, -757120, 288449, -40320, -1, 2048, -156483, 2177996, -9156523, 14586084, -9908113, 3015440, -362880, 1, -4608, 615288 (list; graph; listen)
OFFSET

1,3

COMMENT

Row sums are:

{-1, -1, 1, 10, 6, -294, -1350, 14624, 197568, -703800}.

FORMULA

k = (n + 1); b0 = 1; p(x,n,k)=(k - 1)!*(1 - x)^n*PolyLog[ -n, k, x]/(x*Log[1 - x]); t(n,m)=Coefficients(p(b0,n,k)).

EXAMPLE

{-1},

{1, -2},

{-1, 8, -6},

{1, -24, 57, -24},

{-1, 64, -361, 424, -120},

{1, -160, 1890, -4720, 3415, -720},

{-1, 384, -8828, 41642, -59543, 30036, -5040},

{1, -896, 38199, -317072, 803383, -757120, 288449, -40320},

{-1, 2048, -156483, 2177996, -9156523, 14586084, -9908113, 3015440, -362880},

{1, -4608, 615288, -13863896, 92378100, -234284376, 258773308, -134868288, 34179471, -3628800}

MATHEMATICA

Clear[t, n] k = (n + 1); b0 = 1; t[x_, n_, k_] = (k - 1)!*(1 - x)^n*PolyLog[ -n, k, x]/(x*Log[1 - x]); a = Table[CoefficientList[FullSimplify[Expand[t[x, n, k]]], x], {n, 1, 10}]; a /. x -> 1 - Exp[b0]; Flatten[a /. x -> 1 - Exp[b0]]

CROSSREFS

Sequence in context: A004732 A011244 A008517 this_sequence A114193 A039683 A108084

Adjacent sequences: A142333 A142334 A142335 this_sequence A142337 A142338 A142339

KEYWORD

uned,sign

AUTHOR

Roger L. Bagula and Gary W. Adamson (rlbagulatftn(AT)yahoo.com), Sep 18 2008

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified November 23 17:09 EST 2009. Contains 167438 sequences.


AT&T Labs Research