OFFSET
0,1
COMMENTS
If no base b gives any 4's then we take b=4.
a(n) > 4 for n >= 9 since 14 is n written in base n-4. - Chai Wah Wu, Feb 06 2016
LINKS
Chai Wah Wu, Table of n, a(n) for n = 0..10000
Nathan Fox, First 10000 terms of A268236, A268237, A268238. Square brackets are used to separate the "digits" of A268236, since for n >= 66 these can be greater than 10.
Zach Weinersmith, Fouriest number, SMBC (Saturday Morning Breakfast Cereal) column, Feb 01, 2013.
CROSSREFS
KEYWORD
nonn,base
AUTHOR
STATUS
approved