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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A263939 T(n,k)=Number of length n arrays of permutations of 0..n-1 with each element moved by -k to k places and the total absolute value of displacements not greater than n. 8
 1, 1, 2, 1, 2, 3, 1, 2, 3, 5, 1, 2, 3, 11, 8, 1, 2, 3, 11, 17, 13, 1, 2, 3, 11, 17, 49, 21, 1, 2, 3, 11, 17, 70, 80, 34, 1, 2, 3, 11, 17, 70, 108, 249, 55, 1, 2, 3, 11, 17, 70, 108, 423, 414, 89, 1, 2, 3, 11, 17, 70, 108, 483, 664, 1237, 144, 1, 2, 3, 11, 17, 70, 108, 483, 739, 2667 (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 ...2.....2......2......2......2......2......2......2......2......2......2 ...3.....3......3......3......3......3......3......3......3......3......3 ...5....11.....11.....11.....11.....11.....11.....11.....11.....11.....11 ...8....17.....17.....17.....17.....17.....17.....17.....17.....17.....17 ..13....49.....70.....70.....70.....70.....70.....70.....70.....70.....70 ..21....80....108....108....108....108....108....108....108....108....108 ..34...249....423....483....483....483....483....483....483....483....483 ..55...414....664....739....739....739....739....739....739....739....739 ..89..1237...2667...3271...3426...3426...3426...3426...3426...3426...3426 .144..2099...4221...5030...5216...5216...5216...5216...5216...5216...5216 .233..6314..17124..22666..24476..24854..24854..24854..24854..24854..24854 .377.10846..27252..34917..37233..37674..37674..37674..37674..37674..37674 .610.32254.110935.158899.176887.181883.182772.182772.182772.182772.182772 .987.56036.177405.245151.268945.275132.276148.276148.276148.276148.276148 LINKS R. H. Hardin, Table of n, a(n) for n = 1..653 FORMULA Empirical for column k: k=1: a(n) = a(n-1) +a(n-2) EXAMPLE Some solutions for n=7 k=4 ..2....0....0....0....1....0....0....0....0....0....0....0....1....1....0....0 ..1....2....1....1....2....1....2....1....1....1....2....1....0....3....1....3 ..0....3....3....3....0....4....4....3....2....3....1....2....2....2....2....2 ..3....1....2....2....4....3....3....2....5....5....5....3....5....0....5....1 ..5....4....5....4....3....2....1....5....4....4....4....4....3....4....4....4 ..4....6....6....5....5....6....5....4....6....2....3....5....4....5....3....5 ..6....5....4....6....6....5....6....6....3....6....6....6....6....6....6....6 CROSSREFS Column 1 is A000045(n+1). Sequence in context: A264482 A193588 A165884 * A347499 A136311 A243884 Adjacent sequences: A263936 A263937 A263938 * A263940 A263941 A263942 KEYWORD nonn,tabl 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.

Last modified January 27 17:42 EST 2023. Contains 359845 sequences. (Running on oeis4.)