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A104374
Smallest prime formed by reverse concatenation of n consecutive cubes, 0 if no such prime exists.
0
0, 6427, 0, 20570824203464172012364819902511, 1968317576156251382412167, 0, 12008989118523521169708311543176113906251123942411089567, 9481881694196375935766649295967792345408917338519112500090518849, 0
OFFSET
1,2
EXAMPLE
a(2)=6427 because 6427 is the smallest prime formed from reverse concatenation of 2 consecutive cubes i.e. 27 and 64.
CROSSREFS
Sequence in context: A252612 A259060 A259078 * A222554 A104318 A222344
KEYWORD
base,nonn
AUTHOR
Shyam Sunder Gupta, Apr 17 2005
STATUS
approved