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A176748
a(n)=a(n-1)^3-a(n-2) with a(1)=1, a(2)=2
1
1, 2, 7, 341, 39651814, 62343213007067363340803, 242307882727623698206171607564035372782206955665032728479504584309813
OFFSET
1,2
COMMENTS
The next term -- a(8) -- has 206 digits. [From Harvey P. Dale, Mar 16 2012]
LINKS
MATHEMATICA
RecurrenceTable[{a[1]==1, a[2]==2, a[n]==a[n-1]^3-a[n-2]}, a, {n, 8}] (* Harvey P. Dale, Mar 16 2012 *)
PROG
(Magma) I:=[1, 2]; [n le 2 select I[n] else Self(n-1)^3-Self(n-2): n in [1..7]]; // Vincenzo Librandi, Jul 15 2012
CROSSREFS
Sequence in context: A144787 A118910 A081505 * A262088 A110386 A260229
KEYWORD
nonn
AUTHOR
Vincenzo Librandi, Apr 26 2010
STATUS
approved