

A155934


The sequence k(m) defined in A005991.


3



2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
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OFFSET

2,1


COMMENTS

Agrees with the burning number of the nMoebius ladder from n = 2 to at least n = 31.  Eric W. Weisstein, Apr 16 2019


LINKS

Table of n, a(n) for n=2..43.
E. T. Wang and R. K. Guy, Problem E2429, Amer. Math. Monthly, 81 (1974), 11121113.
Eric Weisstein's World of Mathematics, Burning Number
Eric Weisstein's World of Mathematics, Moebius Ladder
Index entries for sequences related to binary matrices


FORMULA

n^(1/2)  n^(5/16) < a(n) <= floor((1/2) * (3 + sqrt(4*n3))) [from Wang and Guy].  Sean A. Irvine, Jun 06 2015


CROSSREFS

Cf. A003509, A005991.
Sequence in context: A046925 A090529 A297212 * A251719 A130822 A194220
Adjacent sequences: A155931 A155932 A155933 * A155935 A155936 A155937


KEYWORD

nonn,more


AUTHOR

N. J. A. Sloane, Aug 15 2010


STATUS

approved



