OFFSET
1,1
LINKS
Pi search engine (searches initial 5 x 10^8 digits of phi)
EXAMPLE
1205th to 1230th digits of phi are as follows: ...63972321340444494873023154...
The 1216th digit is occupied by the first of four consecutive 4's and there is no earlier occurrence of four or more consecutive equal digits, so a(4) = 4444.
CROSSREFS
KEYWORD
nonn,base,more
AUTHOR
Felix Fröhlich, Oct 07 2016
STATUS
approved