|
Search: id:A050809
|
|
|
| A050809 |
|
Primes of the form floor( exp(n) ). |
|
+0
6
|
|
| 2, 7, 65659969, 5184705528587072464087, 14302079958348104463583671072905261080748384225250684971, 17199742630376622641833783925547830057256484050709158699244513
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Eric Weisstein's World of Mathematics, e-Prime
|
|
EXAMPLE
|
E.g. a(3) = [ e^18 ] = 65659969 and prime.
|
|
CROSSREFS
|
Cf. A050808 (values of n), A000149, A040016, A037028, A000227, A004791.
Sequence in context: A152181 A153089 A077548 this_sequence A095217 A073410 A021361
Adjacent sequences: A050806 A050807 A050808 this_sequence A050810 A050811 A050812
|
|
KEYWORD
|
nonn,hard
|
|
AUTHOR
|
Patrick De Geest (pdg(AT)worldofnumbers.com), Oct 15 1999.
|
|
EXTENSIONS
|
Corrected by Naohiro Nomoto (6284968128(AT)geocities.co.jp), Feb 22 2001
|
|
|
Search completed in 0.002 seconds
|
