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A261143 a(n) = H_n(1,2) where H_n is the n-th hyperoperator. 3
3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1 (list; constant; graph; refs; listen; history; text; internal format)
OFFSET

0,1

COMMENTS

See A054871 for definitions and key links.

Sequence is also the decimal expansion of 2989/9000.

LINKS

Table of n, a(n) for n=0..104.

EXAMPLE

a(0) = H_0(1,2) = 2+1 = 3;

a(1) = H_1(1,2) = 1+2 = 3;

a(2) = H_2(1,2) = 1*2 = 2;

a(3) = H_3(1,2) = 1^2 = 1;

a(4) = H_4(1,2) = 1^^2 = 1.

CROSSREFS

Cf. A054871.

Sequence in context: A097278 A254411 A056223 * A100013 A065744 A016455

Adjacent sequences:  A261140 A261141 A261142 * A261144 A261145 A261146

KEYWORD

nonn,cons

AUTHOR

Natan Arie Consigli, Aug 24 2015

STATUS

approved

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Last modified September 28 18:04 EDT 2021. Contains 347716 sequences. (Running on oeis4.)