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A007319 A grasshopper sequence: closed under n -> 2n+2 and 6n+6.
(Formerly M3373)
2
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; refs; listen; history; text; internal format)
OFFSET

1,2

REFERENCES

C. Pickover, Computers and the Imagination, St. Martin's Press, NY, 1991, p. 353.

N. J. A. Sloane and Simon Plouffe, The Encyclopedia of Integer Sequences, Academic Press, 1995 (includes this sequence).

LINKS

Table of n, a(n) for n=1..55.

R. G. Wilson, V, Letter to N. J. A. Sloane, Aug. 1992

MATHEMATICA

Take[ Sort[ Flatten[ NestList[{2#+2, 6#+6} &, 1, 8]]], 55] (* Wouter L.J. Meeussen Mar 06 2005 *)

CROSSREFS

Cf. A060031.

Sequence in context: A080285 A138628 A050868 * A175436 A074939 A038464

Adjacent sequences:  A007316 A007317 A007318 * A007320 A007321 A007322

KEYWORD

nonn

AUTHOR

N. J. A. Sloane, Mira Bernstein

EXTENSIONS

Corrected and extended by Larry Reeves (larryr(AT)acm.org), Apr 20 2001

STATUS

approved

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Last modified October 17 22:48 EDT 2018. Contains 316297 sequences. (Running on oeis4.)