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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 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

Cf. A107621 = primes multiplied alternately by 2 and 3.

LINKS

Table of n, a(n) for n=1..50.

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: A072695 A330568 A085596 * A337538 A315809 A168414

Adjacent sequences:  A107617 A107618 A107619 * A107621 A107622 A107623

KEYWORD

easy,nonn

AUTHOR

Zak Seidov, May 18 2005

STATUS

approved

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Last modified May 18 14:41 EDT 2022. Contains 353816 sequences. (Running on oeis4.)