login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A263975 Number of (3+1)X(n+1) arrays of permutations of 0..n*4+3 with each element having index change (+-,+-) 0,2 1,1 or 1,0. 1
16, 1441, 86633, 2604481, 102742049, 4952396901, 224559467921, 9479627840080, 407499168253313, 17951972257163801, 787313274461726480, 34237567537967020880, 1490472641241784860976, 65073777514668815019417 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
COMMENTS
Row 3 of A263973.
LINKS
EXAMPLE
Some solutions for n=3
..2..4..0..7....2..3..5..7....5..3..0..7....5..3..0..7....2..3..0..6
..1..8..3.11....6..0..1.10....8..1.10..2....6..2..1.10....1..7..9..5
.13.12..5..6...13..4..8.14....4.12..6.14....4.12.13.14...12..4..8.15
.14.15..9.10....9.15.12.11....9.15.11.13....8.15..9.11...14.10.11.13
CROSSREFS
Cf. A263973.
Sequence in context: A330335 A160251 A106176 * A193128 A223101 A086815
KEYWORD
nonn
AUTHOR
R. H. Hardin, Oct 30 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 | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 25 08:34 EDT 2024. Contains 374586 sequences. (Running on oeis4.)