Logo

Greetings from The On-Line Encyclopedia of Integer Sequences!

Hints

Search: id:A107620
Displaying 1-1 of 1 results found. page 1
     Format: long | short | internal | text      Sort: relevance | references | number      Highlight: on | off
A107620 Primes multiplied alternately by 3 and 2. +0
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; listen)
OFFSET

1,1

COMMENT

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])

CROSSREFS

Cf. A107621.

Sequence in context: A110626 A072695 A085596 this_sequence A168414 A058563 A168460

Adjacent sequences: A107617 A107618 A107619 this_sequence A107621 A107622 A107623

KEYWORD

easy,nonn

AUTHOR

Zak Seidov (zakseidov(AT)yahoo.com), May 18 2005

page 1

Search completed in 0.002 seconds

Lookup | Welcome | Find friends | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Transforms | Puzzles | Hot | Classics
More pages | Superseeker | Maintained by N. J. A. Sloane (njas@research.att.com)

Last modified December 20 16:54 EST 2009. Contains 171081 sequences.


AT&T Labs Research