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A264932 a(1) = 1, a(2) = 3, a(n)= H_4(a(n-1),a(n-2)). 1
1, 3, 3, 7625597484987 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,2
COMMENTS
See A054871 for definitions and key links.
Possible other sequence with the same 4 entries:
a(1)=1;
a(2)= 3;
a(n)=a(n-1)^a(n-2)^a(n-2);
LINKS
MATHEMATICA
RecurrenceTable[{a[1]==1, a[2]==3, a[n]==a[n-1]^a[n-2]^a[n-2]}, a, {n, 4}] (* Vincenzo Librandi, Dec 17 2015 *)
PROG
(Magma) I:=[1, 3]; [n le 2 select I[n] else Self(n-1)^Self(n-2)^Self(n-2): n in [1..5]]; // Vincenzo Librandi, Dec 17 2015
CROSSREFS
Sequence in context: A076253 A081174 A292832 * A171604 A132139 A045951
KEYWORD
nonn
AUTHOR
Natan Arie Consigli, Dec 16 2015
STATUS
approved

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Last modified May 23 16:36 EDT 2024. Contains 372765 sequences. (Running on oeis4.)