The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 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 Adjacent sequences:  A266196 A266197 A266198 * A266200 A266201 A266202 KEYWORD nonn,changed AUTHOR Natan Arie Consigli, Jan 12 2016 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 23 16:36 EST 2020. Contains 331172 sequences. (Running on oeis4.)