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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A151654 Number of permutations of 6 indistinguishable copies of 1..n with exactly 5 adjacent element pairs in decreasing order. 2
 0, 36, 4050864, 10490842656, 10255094095176, 6781036059518868, 3744571580295610680, 1893138497272086513120, 915533370856221482817936, 432873619819347725868506292, 202329942824085294375700974144, 94022530911932061378520715448384, 43564340849890810938403538912669496 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Andrew Howroyd, Table of n, a(n) for n = 1..200 Index entries for linear recurrences with constant coefficients, signature (1287, -665085, 185049017, -31190554872, 3393504308298, -247577707116706, 12409594294661298, -434237280286221153, 10713236096664371179, -187333202983969901817, 2326256453936078033349, -20501775776012012073494, 127726669837663368160500, -557839835867479081817208, 1687107017150888313396640, -3485094134205352534911360, 4853917967549146311707136, -4463498883906046248413184, 2592626135894429309853696, -861342430920194620293120, 124750055827809622425600). CROSSREFS Column k=5 of A237252. Sequence in context: A367543 A071226 A134369 * A135240 A252092 A307949 Adjacent sequences: A151651 A151652 A151653 * A151655 A151656 A151657 KEYWORD nonn AUTHOR R. H. Hardin, May 29 2009 EXTENSIONS Terms a(7) and beyond from Andrew Howroyd, May 06 2020 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 August 3 05:44 EDT 2024. Contains 374875 sequences. (Running on oeis4.)