The OEIS mourns the passing of Jim Simons and is grateful to the Simons Foundation for its support of research in many branches of science, including the OEIS.
login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A277047 Number obtained by concatenating the cubes of the digits of prime(n). 1

%I #11 Sep 08 2022 08:46:17

%S 8,27,125,343,11,127,1343,1729,827,8729,271,27343,641,6427,64343,

%T 12527,125729,2161,216343,3431,34327,343729,51227,512729,729343,101,

%U 1027,10343,10729,1127,18343,1271,127343,127729,164729,11251,1125343,121627,1216343

%N Number obtained by concatenating the cubes of the digits of prime(n).

%F a(n) = A048390(A000040(n)).

%e For n = 7, prime(7) = 17 and a(7) = 1343, which is the concatenation of the cubes of the digits of 17.

%t Table[FromDigits[Flatten[IntegerDigits/@(IntegerDigits[Prime[n]]^3)]], {n, 50}]

%o (Magma) [StringToInteger(&cat[IntegerToString(h): h in Reverse([i^3: i in Intseq(p)])]): p in PrimesUpTo(250)];

%Y Cf. A000040, A030078, A048390, A244557.

%K nonn,base,less

%O 1,1

%A _Vincenzo Librandi_, Oct 17 2016

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recents
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified June 7 04:46 EDT 2024. Contains 373140 sequences. (Running on oeis4.)