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A166701 Totally multiplicative sequence with a(p) = a(p-1) + 4 for prime p. 0

%I #4 Mar 30 2012 19:00:17

%S 1,5,9,25,29,45,49,125,81,145,149,225,229,245,261,625,629,405,409,725,

%T 441,745,749,1125,841,1145,729,1225,1229,1305,1309,3125,1341,3145,

%U 1421,2025,2029,2045,2061,3625,3629,2205,2209,3725,2349,3745,3749,5625,2401

%N Totally multiplicative sequence with a(p) = a(p-1) + 4 for prime p.

%F Multiplicative with a(p^e) = (a(p-1)+4)^e. If n = Product p(k)^e(k) then a(n) = Product (a(p(k)-1)+4)^e(k).

%K nonn,mult

%O 1,2

%A _Jaroslav Krizek_, Oct 18 2009

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Last modified April 16 07:57 EDT 2024. Contains 371698 sequences. (Running on oeis4.)