%I
%S 4,1,16,2,5,17,72,4,3,41,74,46,54,18,168,312,120,370,38,312,168,199,
%T 139,10,12,600,316,356,240,768,424,128,288,912,618,30,1032,271,1217,
%U 792,408,840,432,286,602,3360,678,354,1608,552,2880,600,1588,260,1920,1320,1902
%N Differences between consecutive prime powers of primes (see A053810).
%F a(n) = A053810(n+1)  A053810(n).
%e 11^2=121 and 5^3=125 are members with index 8 and 9 in A053810. So a(8)=125121=4.
%Y Cf. A000961, A058310, A057820.
%K easy,nonn
%O 1,1
%A _Rainer Rosenthal_, Jul 18 2001
%E Edited and extended by _Ray Chandler_, Oct 30 2008
