|
Search: id:A061063
|
|
|
| A061063 |
|
2^(2^n)*3^(2^n) - 2^(2^n) - 3^(2^n). |
|
+0
1
|
|
| 1, 23, 1199, 1672799, 2821066795199, 7958661108093376400572799, 63340286662973277702728603126500927381164903187199
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
COMMENT
|
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).
|
|
PROGRAM
|
(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]
|
|
CROSSREFS
|
Sequence in context: A042012 A128404 A126741 this_sequence A100768 A049003 A003281
Adjacent sequences: A061060 A061061 A061062 this_sequence A061064 A061065 A061066
|
|
KEYWORD
|
nonn
|
|
AUTHOR
|
Jason Earls (zevi_35711(AT)yahoo.com), May 27 2001
|
|
|
Search completed in 0.002 seconds
|
