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Search: id:A007319
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| A007319 |
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A grasshopper sequence: closed under n -> 2n+2 and 6n+6.
(Formerly M3373)
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+0
2
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| 1, 4, 10, 12, 22, 26, 30, 46, 54, 62, 66, 78, 94, 110, 126, 134, 138, 158, 162, 186, 190, 222, 254, 270, 278, 282, 318, 326, 330, 374, 378, 382, 402, 446, 474, 510, 542, 558, 566, 570, 638, 654, 662, 666, 750, 758, 762, 766, 806, 810, 834, 894, 950, 954, 978
(list; graph; listen)
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OFFSET
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1,2
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REFERENCES
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N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).
C. Pickover, Computers and the Imagination, St. Martin's Press, NY, 1991, p. 353.
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MATHEMATICA
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Take[ Sort[ Flatten[ NestList[{2#+2, 6#+6} &, 1, 8]]], 55] (from Wouter L.J. Meeussen Mar 06 2005)
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CROSSREFS
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Cf. A060031.
Sequence in context: A080285 A138628 A050868 this_sequence A074939 A038464 A125966
Adjacent sequences: A007316 A007317 A007318 this_sequence A007320 A007321 A007322
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KEYWORD
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nonn
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AUTHOR
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N. J. A. Sloane (njas(AT)research.att.com), Mira Bernstein (mira(AT)math.berkeley.edu)
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EXTENSIONS
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Corrected and extended by Larry Reeves (larryr(AT)acm.org), Apr 20 2001
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