OFFSET
0,2
COMMENTS
a(6) contains 82 digits. - Harvey P. Dale, Feb 19 2011 [corrected by Altug Alkan, Dec 22 2015]
For n > 2, the last three digits are always "010". - Altug Alkan, Dec 22 2015
a(7) has 244 digits, a(8) has 731. - Robert Israel, Dec 23 2015
LINKS
Robert Israel, Table of n, a(n) for n = 0..8
MAPLE
a[0]:= 1:
for n from 1 to 8 do a[n]:= a[n-1] + a[n-1]^3 od:
seq(a[i], i=0..8); # Robert Israel, Dec 23 2015
MATHEMATICA
NestList[#+#^3&, 1, 8] (* Harvey P. Dale, Feb 19 2011 *)
PROG
(PARI) a(n) = if(n==0, 1, a(n-1)+(a(n-1))^3); \\ Altug Alkan, Dec 22 2015
(Magma) [n le 1 select 1 else Self(n-1)+Self(n-1)^3: n in [1..10]]; // Vincenzo Librandi, Dec 23 2015
CROSSREFS
KEYWORD
nonn,easy
AUTHOR
Emrehan Halici (emrehan(AT)halici.com.tr), Sep 22 2002
EXTENSIONS
a(5) from Harvey P. Dale, Feb 19 2011
a(6) from Robert Israel, Dec 23 2015
STATUS
approved