VOOZH
about
URL: https://oeis.org/A298500
⇱ A298500 - OEIS
login
A298500
Number of nX7 0..1 arrays with every element equal to 0, 1, 3, 4 or 7 king-move adjacent elements, with upper left element zero.
1
21, 203, 20, 467, 2353, 1602, 24272, 118439, 372820, 3857775, 22638601, 135423787, 1109353612, 7371311350, 51327931415, 387280908485, 2703270862580, 19437454766314, 142684818408113, 1015214265364529, 7343824393757918
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
COMMENTS
Column 7 of
A298501
.
LINKS
R. H. Hardin,
Table of n, a(n) for n = 1..145
EXAMPLE
Some solutions for n=6
..0..1..0..1..1..1..1. .0..1..0..0..1..0..1. .0..1..0..1..1..0..1
..1..1..1..0..1..0..0. .0..1..0..0..1..0..1. .0..1..0..1..1..0..1
..1..0..0..0..1..0..0. .1..1..0..1..1..0..0. .1..1..0..0..1..0..0
..1..1..1..0..1..1..1. .1..1..0..0..1..0..1. .0..1..0..0..1..0..0
..0..1..0..1..1..0..0. .0..1..0..1..1..0..0. .1..1..0..1..1..0..1
..1..0..0..0..0..0..0. .0..1..0..1..1..0..0. .1..1..0..1..1..0..1
CROSSREFS
Cf.
A298501
.
Sequence in context:
A125384
A126542
A297906
*
A298319
A299392
A299193
Adjacent sequences:
A298497
A298498
A298499
*
A298501
A298502
A298503
KEYWORD
nonn
AUTHOR
R. H. Hardin
, Jan 20 2018
STATUS
approved
