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!)
A263744 T(n,k)=Number of length n arrays of permutations of 0..n-1 with each element moved by -k to k places and equal numbers of elements moved upwards and downwards 7
1, 1, 2, 1, 2, 3, 1, 2, 4, 5, 1, 2, 4, 10, 8, 1, 2, 4, 14, 19, 13, 1, 2, 4, 14, 36, 43, 21, 1, 2, 4, 14, 46, 110, 90, 34, 1, 2, 4, 14, 46, 214, 277, 202, 55, 1, 2, 4, 14, 46, 282, 664, 823, 434, 89, 1, 2, 4, 14, 46, 282, 1118, 2516, 2292, 971, 144, 1, 2, 4, 14, 46, 282, 1394, 5962 (list; table; graph; refs; listen; history; text; internal format)
OFFSET
1,3
COMMENTS
Table starts
..1...1....1.....1......1......1......1......1......1......1......1......1
..2...2....2.....2......2......2......2......2......2......2......2......2
..3...4....4.....4......4......4......4......4......4......4......4......4
..5..10...14....14.....14.....14.....14.....14.....14.....14.....14.....14
..8..19...36....46.....46.....46.....46.....46.....46.....46.....46.....46
.13..43..110...214....282....282....282....282....282....282....282....282
.21..90..277...664...1118...1394...1394...1394...1394...1394...1394...1394
.34.202..823..2516...5962..10090..12658..12658..12658..12658..12658..12658
.55.434.2292..7989..21974..44914..68834..83122..83122..83122..83122..83122
.89.971.6862.30299.100324.266476.535262.816882.985730.985730.985730.985730
LINKS
EXAMPLE
Some solutions for n=7 k=4
..3....3....0....2....3....4....2....0....3....4....2....3....3....3....1....1
..1....0....4....1....1....5....1....2....0....0....3....2....4....2....2....5
..0....4....5....0....2....3....6....4....2....3....6....0....6....1....0....2
..4....1....1....3....0....0....5....1....4....1....1....1....1....0....5....0
..2....5....3....5....4....2....0....3....6....5....0....4....0....4....3....6
..5....2....6....4....6....1....4....5....1....2....5....5....5....5....4....3
..6....6....2....6....5....6....3....6....5....6....4....6....2....6....6....4
CROSSREFS
Column 1 is A000045(n+1)
Diagonal is A062868
Sequence in context: A210950 A214314 A209435 * A268956 A208515 A286880
KEYWORD
nonn,tabl
AUTHOR
R. H. Hardin, Oct 25 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 March 29 04:23 EDT 2024. Contains 371264 sequences. (Running on oeis4.)