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!)
 A028688 Sorted factorial and k-factorial numbers (numbers of form k-1 excluded). 2
 1, 2, 3, 6, 16, 21, 24, 45, 96, 120, 175, 288, 315, 416, 441, 640, 720, 891, 1200, 1573, 2016, 2535, 2835, 3136, 3825, 4608, 5040, 5491, 6480, 7581, 8800, 9765, 10143, 11616, 11904, 13225, 14976, 16875, 18928, 21141, 23520, 26071, 28800, 31713 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Vincenzo Librandi, Table of n, a(n) for n = 1..200 (n = 48..200 corrected by Sean A. Irvine) Index entries for sequences related to factorial numbers FORMULA A000142 union A028687. - Michel Marcus, Feb 12 2020 CROSSREFS Cf. A000142, A028687. Sequence in context: A351880 A109162 A215659 * A342027 A343197 A030753 Adjacent sequences: A028685 A028686 A028687 * A028689 A028690 A028691 KEYWORD nonn AUTHOR Olivier Gérard 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 16 19:52 EDT 2024. Contains 373432 sequences. (Running on oeis4.)