Search: id:A007445
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%I A007445 M1335
%S A007445 2,5,7,12,13,23,19,31,30,45,33,67,43,65,65,84,61,107,69,123,97,115,85,
%T A007445 175,110,147,133,179,111,223,129,215,175,203,179,302,159,235,215,315,
%U A007445 181,337,193,315,285,287,213,451,246,371,299,393,243,461,301,461,343
%N A007445 Inverse Moebius transform of primes.
%D A007445 N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, 
               Academic Press, 1995 (includes this sequence).
%H A007445 N. J. A. Sloane, <a href="transforms.txt">Transforms</a>
%F A007445 a(n) = Sum_{d|n} prime(d)
%e A007445 a(6)=23 because the divisors of 6 are: 1, 2, 3 and 6; and prime(1) + 
               prime(2) + prime(3) + prime(6) = 2 + 3 + 5 + 13 = 23.
%o A007445 (PARI) je=[]; for(n=1,150,je=concat(je,sumdiv(n,d, prime(d)))); j
%Y A007445 Sequence in context: A131102 A039679 A088823 this_sequence A159699 A063217 
               A088821
%Y A007445 Adjacent sequences: A007442 A007443 A007444 this_sequence A007446 A007447 
               A007448
%K A007445 nonn
%O A007445 1,1
%A A007445 N. J. A. Sloane (njas(AT)research.att.com).
%E A007445 More terms from Jason Earls (zevi_35711(AT)yahoo.com), Jul 08 2001

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