A264931 a(n) = 1+2*3^4...[n-1]n where [n] is the n-th hyperoperator.

1, 3, 7, 163

Offset

1,2

Comments

a[n]b is the square bracket notation for hyperoperation. See A054871 for more info.

Links

Table of n, a(n) for n=1..4.

Example

a(1) = 1;
a(2) = 1+2 = 3;
a(3) = 1+2*3 = 7;
a(4) = 1+2*3^4 = 163;
a(5) = 1+2*3^4^^5 which is too big to be included.

Crossrefs

Cf. A054871, A254225, A254310.

Sequence in context: A119958 A275195 A031881 * A227890 A114789 A128273

Adjacent sequences: A264928 A264929 A264930 * A264932 A264933 A264934

Keyword

nonn

Author

Natan Arie Consigli, Nov 29 2015

Status

approved