login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A113668 Self-convolution 8th power of A113674, where a(n) = A113674(n+1)/(n+1). 7
1, 8, 156, 4696, 186406, 9053640, 515875660, 33585910968, 2453913830097, 198609146859416, 17630476159933080, 1703025192274201272, 177846105338917975896, 19968484152350242447288 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..13.

FORMULA

G.f. satisfies: A(x) = (1 + x*d/dx[x*A(x)] )^8.

PROG

(PARI) {a(n)=local(A=1+x*O(x^n)); for(i=1, n, A=(1+x*deriv(x*A))^8); polcoeff(A, n, x)}

CROSSREFS

Cf. A113674, A113662, A113663, A113664, A113665, A113666, A113667.

Sequence in context: A089669 A288682 A268543 * A120348 A251586 A221098

Adjacent sequences:  A113665 A113666 A113667 * A113669 A113670 A113671

KEYWORD

nonn

AUTHOR

Paul D. Hanna, Nov 04 2005

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified October 19 04:40 EDT 2019. Contains 328211 sequences. (Running on oeis4.)