A261143 a(n) = H_n(1,2) where H_n is the n-th hyperoperator.

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

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