The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A258199 a(n) = largest term of A001563 <= n. 7
 0, 1, 1, 1, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18, 18 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,5 LINKS Antti Karttunen, Table of n, a(n) for n = 0..4319 FORMULA a(n) = A001563(A258198(n)). MATHEMATICA Table[# #! &@ NestWhile[# + 1 &, 0, # #! <= n &[# + 1] &], {n, 0, 96}] (* Michael De Vlieger, Aug 31 2016 *) PROG (Scheme, two variants) (define (A258199 n) (let loop ((k 1) (f 1)) (if (> (* k f) n) (* (- k 1) (/ f k)) (loop (+ k 1) (* (+ k 1) f))))) (define (A258199 n) (A001563 (A258198 n))) CROSSREFS Cf. A001563, A258198, A256450, A276334. Sequence in context: A141248 A273339 A088899 * A290205 A066014 A080678 Adjacent sequences:  A258196 A258197 A258198 * A258200 A258201 A258202 KEYWORD nonn AUTHOR Antti Karttunen, May 23 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified July 24 06:56 EDT 2021. Contains 346273 sequences. (Running on oeis4.)