OFFSET
1,1
COMMENTS
LINKS
Antti Karttunen, Table of n, a(n) for n = 1..5204
Victor Ufnarovski and Bo Åhlander, How to Differentiate a Number, J. Integer Seqs., Vol. 6, 2003, #03.3.4.
PROG
CROSSREFS
KEYWORD
nonn
AUTHOR
Antti Karttunen, Feb 22 2024
STATUS
approved