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!)
A027680 Number of independent subsets of 5^n cube (P_5 X ... X P_5). 0
2, 13, 55447, 1621477990380993035885 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,1

LINKS

Table of n, a(n) for n=0..3.

EXAMPLE

For n=0, the two sets are the empty set and a set containing a single isolated vertex. - Sean A. Irvine, Nov 20 2019

CROSSREFS

Cf. A027624, A027667, A027668.

Sequence in context: A176947 A280798 A118912 * A241569 A262299 A135970

Adjacent sequences:  A027677 A027678 A027679 * A027681 A027682 A027683

KEYWORD

nonn,hard,more

AUTHOR

R. H. Hardin

EXTENSIONS

a(0) corrected by Sean A. Irvine, 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 May 30 12:03 EDT 2020. Contains 334724 sequences. (Running on oeis4.)