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A107620
Primes multiplied alternately by 3 and 2.
4
6, 6, 15, 14, 33, 26, 51, 38, 69, 58, 93, 74, 123, 86, 141, 106, 177, 122, 201, 142, 219, 158, 249, 178, 291, 202, 309, 214, 327, 226, 381, 262, 411, 278, 447, 302, 471, 326, 501, 346, 537, 362, 573, 386, 591, 398, 633, 446, 681, 458
OFFSET
1,1
COMMENTS
Cf. A107621 = primes multiplied alternately by 2 and 3.
FORMULA
A107620(n) = prime(n)*(2 + mod(n, 2)).
MATHEMATICA
A107620[n_]:= Prime[n] (2 + Mod[n, 2]); Array[A107620, 40]
CROSSREFS
Cf. A107621.
Sequence in context: A356574 A330568 A085596 * A337538 A315809 A168414
KEYWORD
easy,nonn
AUTHOR
Zak Seidov, May 18 2005
STATUS
approved