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A005698 Positions of remoteness 2 in Beans-Don't-Talk.
(Formerly M4394)
0

%I M4394

%S 7,29,57,227,455,1821,3641,14563,29127,116509,233017,932067,1864135,

%T 7456541,14913081,59652323,119304647,477218589,954437177,3817748707,

%U 7635497415,30541989661,61083979321,244335917283,488671834567,1954687338269

%N Positions of remoteness 2 in Beans-Don't-Talk.

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

%H R. K. Guy, <a href="http://www.jstor.org/stable/2689400">John Isbell's game of beanstalk and John Conway's game of beans-don't-talk</a>, Math. Mag. 59 (1986), no. 5, 259-269.

%F Numbers of the form (2^(3*n+3)+(-1)^n)/9 or (2^(3*n+5)-5*(-1)^n)/9 for n >= 1 [From Guy]. - _Sean A. Irvine_, Aug 11 2016

%K nonn

%O 1,1

%A _N. J. A. Sloane_.

%E More terms from _Sean A. Irvine_, Aug 11 2016

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Last modified October 20 17:50 EDT 2019. Contains 328268 sequences. (Running on oeis4.)