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A104281 Primes which are the concatenation of two consecutive cubes. 1

%I #13 Mar 05 2019 16:06:10

%S 827,1757619683,10612081092727,15608961601613,17280001771561,

%T 18158481860867,22999682352637,49130005000211,58320005929741,

%U 60285686128487,70778887189057,95281289663597,1036023210503459,2148495221717639,2438900024642171,2865261628934443

%N Primes which are the concatenation of two consecutive cubes.

%H K. D. Bajpai and T. D. Noe, <a href="/A104281/b104281.txt">Table of n, a(n) for n = 1..10000</a> (first 1356 terms from K. D. Bajpai)

%e The first term is 827 which is a prime and is the concatenation of 8 and 27 which are two consecutive cubes.

%t Select[FromDigits[Flatten[IntegerDigits[#]]]&/@Partition[Range[2,400]^3,2],PrimeQ](* _Harvey P. Dale_, Mar 05 2019 *)

%K base,nonn

%O 1,1

%A _Shyam Sunder Gupta_, Apr 17 2005

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Last modified April 25 05:18 EDT 2024. Contains 371964 sequences. (Running on oeis4.)