The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
The OEIS is supported by the many generous donors to the OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A102456 a(n) = n!/A102356(n). 3
 1, 1, 2, 2, 4, 8, 12, 24, 48, 96, 288, 576, 1152, 2304, 6912, 13824, 27648, 82944, 165888, 497664, 1327104, 2985984, 7962624, 19906560, 59719680, 143327232, 358318080, 955514880, 2866544640, 7644119040, 17199267840, 51597803520, 137594142720, 412782428160 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,3 LINKS Alois P. Heinz, Table of n, a(n) for n = 0..500 MAPLE b:= proc(n, i) option remember; `if`(n=0, 1, `if` (i<1, 0, max(seq(b(n-i*j, i-1) *n!/i!^j/(n-i*j)!/j!, j=0..n/i)))) end: a:= n-> n!/b(n, n): seq(a(n), n=0..50); # Alois P. Heinz, Jun 01 2012 MATHEMATICA b[0, _] = 1; b[_, _?NonPositive] = 0; b[n_, i_] := b[n, i] = Max[Table[b[n - i*j, i - 1]*n!/i!^j/(n - i*j)!/j!, {j, 0, n/i}]]; a[n_] := n!/b[n, n]; Table[a[n], {n, 0, 50}] (* Jean-François Alcover, Jan 24 2014, after Alois P. Heinz *) CROSSREFS Sequence in context: A052907 A048114 A268691 * A032067 A337361 A153996 Adjacent sequences: A102453 A102454 A102455 * A102457 A102458 A102459 KEYWORD nonn AUTHOR Vladeta Jovovic, Feb 23 2005 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 June 14 05:27 EDT 2024. Contains 373393 sequences. (Running on oeis4.)