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

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A182577 Number of ones in Zeckendorf representation of n! 3

%I #13 Jun 15 2018 11:38:38

%S 1,1,1,2,2,4,3,5,6,9,8,11,11,11,16,17,17,18,23,23,28,31,33,27,33,29,

%T 40,37,42,42,41,44,47,44,53,56,57,50,64,55,59,68,63,72,70,61,69,85,80,

%U 83,87,97,98,101,87,91,100,102,114,108,116,109,117,117,113,124

%N Number of ones in Zeckendorf representation of n!

%H Chai Wah Wu, <a href="/A182577/b182577.txt">Table of n, a(n) for n = 0..10000</a>

%e 5! = {1, 0, 0, 1, 0, 1, 0, 0, 1, 0} in the Zeckendorf base.

%o (Python)

%o from math import factorial

%o def A182577(n):

%o m, tlist, s = factorial(n), [1,2], 0

%o while tlist[-1]+tlist[-2] <= m:

%o tlist.append(tlist[-1]+tlist[-2])

%o for d in tlist[::-1]:

%o if d <= m:

%o s += 1

%o m -= d

%o return s # _Chai Wah Wu_, Jun 15 2018

%Y Cf. A007895, A020908, A020910, A025496-A025502, A182535, A182576, A000142.

%K nonn

%O 0,4

%A _Alex Ratushnyak_, May 05 2012

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified August 22 22:00 EDT 2024. Contains 375369 sequences. (Running on oeis4.)