The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A052341 Shifts left two places under BIN1 transform. 0
 1, 1, 1, -3, 7, -11, 17, -27, 45, -75, 123, -199, 321, -519, 841, -1363, 2207, -3571, 5777, -9347, 15125, -24475, 39603, -64079, 103681, -167759, 271441, -439203, 710647, -1149851, 1860497, -3010347, 4870845, -7881195, 12752043, -20633239 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,4 LINKS FORMULA BIN1 sends a to b where b(n) = (-1)^n Sum_{i=0..n} C(n+1, i+1) a(i). G.f.: (x^4+4*x^3+7*x^2+4*x+1)/((1+x)*(1+x-x^2)*(1+x+x^2)). [sign corrected by Georg Fischer, Apr 15 2020] MATHEMATICA CoefficientList[Series[(x^4+4*x^3+7*x^2+4*x+1)/((1+x)*(1+x-x^2)*(1+x+x^2)), {x, 0, 45}], x] (* Georg Fischer, Apr 15 2020 *) CROSSREFS Sequence in context: A350146 A194069 A088206 * A038949 A106967 A045420 Adjacent sequences: A052338 A052339 A052340 * A052342 A052343 A052344 KEYWORD sign,eigen AUTHOR Christian G. Bower, Jan 09 2000 STATUS approved

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

Last modified March 20 11:19 EDT 2023. Contains 361375 sequences. (Running on oeis4.)