# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a076171 Showing 1-1 of 1 %I A076171 #15 May 20 2019 02:50:10 %S A076171 11,404167,476041,1041563,1060571,1069811,1089611,1089677,1140563, %T A076171 1156403,1169801,1180691,1650413,1760897,1960877,2062891,2089621, %U A076171 2260891,2289601,2960821,2962801,3046577,3047567,3056411,3146501 %N A076171 Primes p whose odd-position and even-position digits have the same sum of cubes. %C A076171 There are 15 such primes < 2000000. %e A076171 404167 is a term because 4^3 + 4^3 + 6^3 = 0^3 + 1^3 + 7^3 = 344. %t A076171 cbQ[n_]:=Module[{idn=IntegerDigits[n],a,l,r}, If[OddQ[Length[idn]], idn=IntegerDigits[10n]]; a=Transpose[Partition[idn,2]]; l=First[a]; r=Last[a]; Total[l^3]==Total[r^3]]; Select[Prime[Range[300000]],cbQ] (* _Harvey P. Dale_, Jan 30 2011 *) %K A076171 nonn,base %O A076171 1,1 %A A076171 _Zak Seidov_, Nov 01 2002 %E A076171 More terms from _David Wasserman_, Apr 05 2005 %E A076171 Name edited by _Jon E. Schoenfield_, May 20 2019 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE