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Difference of base and exponent of prime powers (cf. A000961).
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%I #11 Jul 13 2013 12:04:11

%S 1,1,2,0,4,6,-1,1,10,12,-2,16,18,22,3,0,28,30,-3,36,40,42,46,5,52,58,

%T 60,-4,66,70,72,78,-1,82,88,96,100,102,106,108,112,9,2,126,-5,130,136,

%U 138,148,150,156,162,166,11,172,178,180,190,192,196,198,210

%N Difference of base and exponent of prime powers (cf. A000961).

%C a(1) = 1 by convention, in accordance with A025473(1) = 1 and A025474(1) = 0.

%C a(n) = A025473(n)-A025474(n) = A192134(n)*A025473(n)/A000961(n);

%C A006093 and A090076 are subsequences.

%H Reinhard Zumkeller, <a href="/A192133/b192133.txt">Table of n, a(n) for n = 1..10000</a>

%K sign

%O 1,3

%A _Reinhard Zumkeller_, Jun 26 2011