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A107621 Primes multiplied alternately by 2 and 3. 5

%I

%S 4,9,10,21,22,39,34,57,46,87,62,111,82,129,94,159,118,183,134,213,146,

%T 237,166,267,194,303,206,321,218,339,254,393,274,417,298,453,314,489,

%U 334,519,358,543,382,579,394,597,422,669,454,687

%N Primes multiplied alternately by 2 and 3.

%C Cf. A107620 Primes multiplied alternately by 3 and 2.

%F A107621(n) = prime(n)*(3 - mod(n, 2)).

%t A107621[n_]:= Prime[n] (3 - Mod[n, 2])

%Y Cf. A107620.

%K easy,nonn

%O 1,1

%A _Zak Seidov_, May 18 2005

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Last modified June 30 06:00 EDT 2022. Contains 354914 sequences. (Running on oeis4.)