|
| |
|
|
A061063
|
|
2^(2^n)*3^(2^n) - 2^(2^n) - 3^(2^n).
|
|
1
| | |
|
|
|
OFFSET
| 0,2
|
|
|
COMMENTS
| For n=1, 4, 5, 7 values are primes.
|
|
|
LINKS
| Harry J. Smith, Table of n, a(n) for n=0,...,10
S. M. Ruiz, New Prime Numbers
|
|
|
FORMULA
| 2^(2^n)*3^(2^n)-2^(2^n)-3^(2^n).
|
|
|
MATHEMATICA
| f[n_]:=Module[{n1=2^2^n, n2=3^2^n}, n1 n2-n1-n2]; f/@Range[0, 7] (* From Harvey P. Dale, Apr 04 2011 *)
|
|
|
PROG
| (PARI) { for (n=0, 10, p=2^n; w=2^p; h=3^p; write("b061063.txt", n, " ", w*h - w - h) ) } [From Harry J. Smith (hjsmithh(AT)sbcglobal.net), Jul 17 2009]
(MAGMA) [6^(2^n) - 2^(2^n) - 3^(2^n): n in [0..12]]; // Vincenzo Librandi, Apr 05 2011
|
|
|
CROSSREFS
| Sequence in context: A128404 A126741 A202656 * A100768 A201309 A049003
Adjacent sequences: A061060 A061061 A061062 * A061064 A061065 A061066
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Jason Earls (zevi_35711(AT)yahoo.com), May 27 2001
|
| |
|
|
