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A255340 a(n) = H_n(4,3) where H_n is the n-th hyperoperator. 1
4, 7, 12, 64, 13407807929942597099574024998205846127479365820592393377723561443721764030073546976801874298166903427690031858186486050853753882811946569946433649006084096 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,1
COMMENTS
See A054871 for definitions and key links.
LINKS
EXAMPLE
a(0) = H_0(4,3) = 3+1 = 4;
a(1) = H_1(4,3) = 4+3 = 7;
a(2) = H_2(4,3) = 4*3 = 12;
a(3) = H_3(4,3) = 4^3 = 64;
a(4) = H_4(4,3) = 4^^3 = 4^4^4 = 4^256 = ... ;
a(5) = H_5(4,3) = 4^^^3 = 4^^4^^4 = 4^^(4^4^4^4) = 4^^(4^4^256) = ... .
CROSSREFS
Cf. A054871.
Sequence in context: A183336 A102953 A111157 * A272251 A169700 A162957
KEYWORD
nonn
AUTHOR
Natan Arie Consigli, Apr 18 2015
EXTENSIONS
First term corrected and hyperoperator notation implemented by Danny Rorabaugh, Oct 20 2015
STATUS
approved

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Last modified July 19 01:31 EDT 2024. Contains 374388 sequences. (Running on oeis4.)