OFFSET
1,1
EXAMPLE
The first term is 20570824203464172012364819902511 which is a prime and is the reverse concatenation of 19902511,20123648,20346417 and 20570824 which are four consecutive cubes.
CROSSREFS
KEYWORD
base,nonn
AUTHOR
Shyam Sunder Gupta, Apr 17 2005
STATUS
approved