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!)
A147384 Number of n X n binary arrays with all ones connected only in a 10001-11111-00100 pattern in any orientation. 0
1, 1, 1, 1, 13, 57, 241, 1493, 15662, 167561, 3201536, 81713399, 2408694438, 99639130001 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..14.

EXAMPLE

Maximal 8 X 8 example

.1.0.0.0.1.0.1.1

.1.1.1.1.1.0.1.0

.0.0.1.0.0.1.1.0

.1.1.0.0.0.0.1.0

.0.1.0.0.0.0.1.1

.0.1.1.0.0.1.0.0

.0.1.0.1.1.1.1.1

.1.1.0.1.0.0.0.1

CROSSREFS

Sequence in context: A222161 A218593 A212405 * A147011 A147019 A230988

Adjacent sequences:  A147381 A147382 A147383 * A147385 A147386 A147387

KEYWORD

nonn

AUTHOR

R. H. Hardin

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 17 17:21 EDT 2021. Contains 348065 sequences. (Running on oeis4.)