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

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A322883 Number of set partitions of [n] such that the maximal absolute difference between the least elements of consecutive blocks equals ten. 2
 0, 1, 515, 22253, 430909, 6094476, 74507486, 847129333, 9296465127, 100540964675, 1085004090887, 11775039127122, 129155075413877, 1436488582202316, 16235344928131625, 186710546094489052, 2186538096666720967, 26085011069325363939, 317049671003606985326 (list; graph; refs; listen; history; text; internal format)
 OFFSET 10,3 LINKS Alois P. Heinz, Table of n, a(n) for n = 10..579 Wikipedia, Partition of a set FORMULA a(n) = A287260(n) - A287259(n). MAPLE b:= proc(n, k, m, l) option remember; `if`(n<1, 1, `if`(l-n>k, 0, b(n-1, k, m+1, n))+m*b(n-1, k, m, l)) end: A:= (n, k)-> b(n-1, min(k, n-1), 1, n): a:= n-> (k-> A(n, k)-A(n, k-1))(10): seq(a(n), n=10..30); CROSSREFS Column k=10 of A287215. Cf. A287259, A287260. Sequence in context: A246244 A257087 A254643 * A332151 A234826 A232574 Adjacent sequences: A322880 A322881 A322882 * A322884 A322885 A322886 KEYWORD nonn AUTHOR Alois P. Heinz, Dec 29 2018 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 6 22:19 EDT 2024. Contains 374998 sequences. (Running on oeis4.)