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A126333 Ackermann's function A(n,0). 5
1, 2, 3, 5, 13, 65533 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,2

LINKS

Table of n, a(n) for n=0..5.

R. G. Wilson v, Letter to N. J. A. Sloane, Nov. 1988

FORMULA

A(0,n)=1+n, A(m+1,0)=A(m,1), A(m+1;n+1)=A(m,A(m+1,n)).

CROSSREFS

Cf. A014221, A001695.

Sequence in context: A042907 A115347 A173654 * A266192 A233082 A039575

Adjacent sequences:  A126330 A126331 A126332 * A126334 A126335 A126336

KEYWORD

nonn

AUTHOR

Philippe LALLOUET (philip.lallouet(AT)wanadoo.fr), Mar 10 2007

STATUS

approved

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Last modified July 6 12:26 EDT 2022. Contains 355110 sequences. (Running on oeis4.)