A122023 - OEIS

A122023

Expansion of x^2*(1+3*x+x^2-x^3+28*x^4+80*x^5)/(1-10*x^2+29*x^4-24*x^6).

0, 1, 3, 11, 29, 109, 283, 795, 2061, 5053, 13099, 30091, 78013, 173453, 449723, 983163, 2549229, 5523677, 14322635, 30887915, 80092061, 172288429, 446745691, 959703003, 2488530381, 5341975549, 13851888235, 29723290699, 77073397885

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,3

LINKS

Table of n, a(n) for n=1..29.

FORMULA

G.f.: x^2*(1+3*x+x^2-x^3+28*x^4+80*x^5)/(1-10*x^2+29*x^4-24*x^6). [Colin Barker, Jan 04 2012]

CROSSREFS

Sequence in context: A000251 A159229 A239713 * A259594 A293010 A236467

Adjacent sequences: A122020 A122021 A122022 * A122024 A122025 A122026

KEYWORD

nonn,easy,less

AUTHOR

Roger L. Bagula, Sep 12 2006

EXTENSIONS

Meaningful name using g.f. from Joerg Arndt, Dec 26 2022

STATUS

approved