A115397 - OEIS

%I #6 Jul 10 2016 14:40:06

%S 1,2,3,2,3,3,1,5,4,4,4,5,4,7,6,5,2,9,2,5,5,2,4,2,3,2

%N Erroneous version of A218656.

%e n=6: 2*6+1 = 13 = 2+11 = 5+8 = 6+7 and

%e prime(1717)=14657, prime(636)=4721, prime(516)=3697,

%e a(6) = #{14657=2^4+11^4, 4721=5^4+8^4, 3697=6^4+7^4} = 3.

%Y Cf. A036468, A005408.

%K dead

%O 1,2

%A _Reinhard Zumkeller_, Mar 08 2006