The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A306154 Inverse Weigh transform of (-n)^n. 2
 -1, 3, -23, 226, -2800, 42576, -763220, 15734614, -366715248, 9533817400, -273549419552, 8586984284446, -292755986184548, 10772849583399474, -425587711650564816, 17966217347001535764, -807152054953801845760, 38451365602113352159320, -1936082850634342992601636 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Alois P. Heinz, Table of n, a(n) for n = 1..386 N. J. A. Sloane, Transforms EXAMPLE (1+x)^(-1)*(1+x^2)^3*(1+x^3)^(-23)*(1+x^4)^226* ... = 1 - x + 4*x^2 - 27*x^3 + 256*x^4 - ... . MAPLE b:= proc(n, i) option remember; `if`(n=0, 1, `if`(i<1, 0,       add(binomial(a(i), j)*b(n-i*j, i-1), j=0..n/i)))     end: a:= n-> (-n)^n-b(n, n-1): seq(a(n), n=1..24);  # Alois P. Heinz, Jun 23 2018 CROSSREFS Cf. A000312, A306152. Sequence in context: A093162 A328808 A206763 * A201205 A068954 A068955 Adjacent sequences:  A306151 A306152 A306153 * A306155 A306156 A306157 KEYWORD sign AUTHOR Seiichi Manyama, Jun 23 2018 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified August 3 04:30 EDT 2020. Contains 336197 sequences. (Running on oeis4.)