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!)
A264682 Number of (7+1)X(n+1) arrays of permutations of 0..n*8+7 with each element having directed index change -1,-1 1,0 -1,-2 -2,-2 or 0,1. 0
0, 264, 9976, 291315, 17406354, 918298857, 40765995197, 1834679734692, 84286370436052, 3803767919559602, 169217277043021433 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

Row 7 of A264676.

LINKS

Table of n, a(n) for n=1..11.

EXAMPLE

Some solutions for n=3

.10..6..1..2....6..0..1..2...10.11..1..2....6..0..1..2...10..0..1..2

..0..4.11..3....9..4..5..3....0.15..5..3....9..4.11..3....9..4.11..3

.18..5..9..7...13.19.15..7....4..8..6..7...13..5.15..7...18..5..6..7

..8.12.13.14....8.12.10.11...17..9.13.14....8.12.10.14....8.12.13.14

.22.23.17.15...26.16.14.18...12.22.23.18...22.16.17.18...22.27.17.15

.16.20.21.19...30.17.21.22...16.27.21.19...25.26.27.19...16.20.21.19

.30.31.25.26...20.31.25.23...20.31.25.26...20.21.31.23...29.31.25.23

.24.28.29.27...24.28.29.27...24.28.29.30...24.28.29.30...24.28.26.30

CROSSREFS

Cf. A264676.

Sequence in context: A288877 A278409 A168196 * A107507 A239183 A289062

Adjacent sequences:  A264679 A264680 A264681 * A264683 A264684 A264685

KEYWORD

nonn

AUTHOR

R. H. Hardin, Nov 20 2015

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 31 02:18 EDT 2020. Contains 334747 sequences. (Running on oeis4.)