A146321 Inverse binomial transform of A070366.

1, 4, -2, 1, -5, 16, -35, 67, -128, 253, -509, 1024, -2051, 4099, -8192, 16381, -32765, 65536, -131075, 262147, -524288, 1048573, -2097149, 4194304, -8388611, 16777219, -33554432, 67108861, -134217725, 268435456

Offset

0,2

Links

Table of n, a(n) for n=0..29.

Index entries for linear recurrences with constant coefficients, signature (-3,-3,-2).

Formula

G.f.: 1+ x*( 4+10*x+7*x^2 ) / ( (2*x+1)*(1+x+x^2) ). - R. J. Mathar, Oct 26 2011

Crossrefs

Sequence in context: A016506 A346995 A228132 * A133455 A122606 A277744

Adjacent sequences: A146318 A146319 A146320 * A146322 A146323 A146324

Keyword

sign

Author

Paul Curtz, Oct 30 2008

Extensions

Edited by N. J. A. Sloane, Jan 04 2009

Status

approved