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A266199 a(n) = H_5(3,n) where H_n is the n-th hyperoperator. 3
0, 1, 3, 7625597484987 (list; graph; refs; listen; history; text; internal format)
OFFSET
-1,3
COMMENTS
See A054871 for definitions and key links.
LINKS
EXAMPLE
a(-1)= H_5(3,-1)= 0;
a(0) = H_5(3,0) = 1;
a(1) = H_5(3,1) = 3;
a(2) = H_5(3,2) = H_4(3, H_4(3,1)) = H_4(3,3) = 3^3^3 = 7625597484987;
MATHEMATICA
NestList[3^#^3 &, 0, 3] (* Vincenzo Librandi, Jan 18 2016 *)
CROSSREFS
Cf. A014222 (H_4(3,n)), A054871, A266198 (H_5(2,n)).
Sequence in context: A058447 A275939 A230810 * A216148 A058453 A058471
KEYWORD
nonn
AUTHOR
Natan Arie Consigli, Jan 12 2016
STATUS
approved

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Last modified April 19 21:09 EDT 2024. Contains 371798 sequences. (Running on oeis4.)