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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A343429 G.f.: 1 + 1^2*x/(1 + 2^2*x/(1 + 3^2*x/(1 + 4^2*x/(1 + 5^2*x/(1 + ...))))). 1
1, 1, -4, 52, -1252, 47380, -2589892, 193480948, -18967658404, 2364328255444, -365398042310020, 68588722144816564, -15372942045464127076, 4055513943597589455508, -1243968998818298201100868, 439009056263271003371155060, -176627099114433045240563153188, 80365037678138695452520237597012, -41059325231828016124174743746157316 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,3

LINKS

Seiichi Manyama, Table of n, a(n) for n = 0..242

FORMULA

G.f.: 1/(Sum_{k>=0} A028296(k) * x^k).

PROG

(PARI) a(n) = my(A=1+O(x)); for(i=1, n, A=1+(n-i+1)^2*x/A); polcoef(A, n);

CROSSREFS

Cf. A000364, A028296, A343427, A343428.

Sequence in context: A144829 A287699 A280571 * A277353 A055974 A009671

Adjacent sequences:  A343426 A343427 A343428 * A343430 A343431 A343432

KEYWORD

sign

AUTHOR

Seiichi Manyama, Apr 15 2021

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 15 07:14 EDT 2022. Contains 356128 sequences. (Running on oeis4.)