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This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A167318 Totally multiplicative sequence with a(p) = 8*(p-3) for prime p.

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%I A167318 #11 Oct 22 2023 00:50:07
%S A167318 1,-8,0,64,16,0,32,-512,0,-128,64,0,80,-256,0,4096,112,0,128,1024,0,
%T A167318 -512,160,0,256,-640,0,2048,208,0,224,-32768,0,-896,512,0,272,-1024,0,
%U A167318 -8192,304,0,320,4096,0,-1280,352,0,1024,-2048,0,5120,400,0,1024,-16384
%N A167318 Totally multiplicative sequence with a(p) = 8*(p-3) for prime p.
%H A167318 G. C. Greubel, <a href="/A167318/b167318.txt">Table of n, a(n) for n = 1..1000</a>
%F A167318 Multiplicative with a(p^e) = (8*(p-3))^e. If n = Product p(k)^e(k) then a(n) = Product (8*(p(k)-3))^e(k).
%F A167318 a(3k) = 0 for k >= 1.
%F A167318 a(n) = A165829(n) * A166589(n) = 8^bigomega(n) * A166589(n) = 8^A001222(n) * A166589(n).
%t A167318 a[1] = 1; a[n_] := (fi = FactorInteger[n]; Times @@ ((fi[[All, 1]] - 3)^fi[[All, 2]])); Table[a[n]*8^PrimeOmega[n], {n, 1, 100}] (* _G. C. Greubel_, Jun 09 2016 *)
%t A167318 f[p_, e_] := (8*(p-3))^e; a[1] = 1; a[n_] := Times @@ f @@@ FactorInteger[n]; Array[a, 100] (* _Amiram Eldar_, Oct 22 2023 *)
%Y A167318 Cf. A001222, A165829, A166589.
%K A167318 sign,easy,mult
%O A167318 1,2
%A A167318 _Jaroslav Krizek_, Nov 01 2009