|
|
A271938
|
|
a(1) = 1, a(2) = 3, a(n) = a(n-1)^a(n-2).
|
|
0
|
|
|
|
OFFSET
|
1,2
|
|
LINKS
|
|
|
MATHEMATICA
|
a[1] = 1; a[2] = 3; a[n_] := a[n] = a[n - 1]^a[n - 2]; Array[a, {6}] (* Michael De Vlieger, Apr 17 2016 *)
|
|
CROSSREFS
|
Cf. A264932 with a(n-1)^^a(n-2) or a(n-1)^a(n-2)^a(n-2);
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
|
|
STATUS
|
approved
|
|
|
|