OFFSET
1,1
COMMENTS
Natural log radix 10 grafting integers are integers n such that, when written in radix 10, log(n) contains the digits of n before or directly after the decimal point (ignoring leading 0's and adding trailing 0's).
LINKS
Robert Tanniru, List of Natural Log Grafting Integers
EXAMPLE
log(29620) = 10.2962050878...
log(1416360) = 14.1636007582...
CROSSREFS
KEYWORD
nonn,base,hard
AUTHOR
Robert Tanniru, Nov 19 2013
STATUS
approved