login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A329507 Expansion of (1 + x)*(1 + 2*x + 2*x^2 + 2*x^3 - 3*x^4) / (1 - x). 1
1, 4, 8, 12, 11, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..83.

FORMULA

a(n) = 8 for n >= 5.

PROG

(PARI) Vec((1 + x)*(1 + 2*x + 2*x^2 + 2*x^3 - 3*x^4) / (1 - x) + O(x^80)) \\ Colin Barker, Nov 21 2019

CROSSREFS

Row 4 of array in A329504.

Sequence in context: A158457 A072905 A086481 * A046129 A092930 A009012

Adjacent sequences:  A329504 A329505 A329506 * A329508 A329509 A329510

KEYWORD

nonn,easy

AUTHOR

N. J. A. Sloane, Nov 20 2019

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 April 5 12:34 EDT 2020. Contains 333241 sequences. (Running on oeis4.)