OFFSET
1,1
COMMENTS
a(9) > 10^11. - Donovan Johnson, Nov 07 2010
EXAMPLE
a(3) = 15919, since 15919,15937,15973 are three consecutive emirps with digit sum 25 and this is the first occurrence of three consecutive emirps with equal digit sum.
CROSSREFS
KEYWORD
base,more,nonn
AUTHOR
Klaus Brockhaus, May 27 2002
EXTENSIONS
a(7)-a(8) from Donovan Johnson, Nov 07 2010
STATUS
approved