|
Search: id:A118328
|
|
|
| A118328 |
|
Catalan-primes: numbers n such that the concatenation of the first n decimal digits of Catalan's constant is prime. |
|
+0
2
|
| |
|
|
OFFSET
|
1,1
|
|
|
LINKS
|
Eric Weisstein's World of Mathematics, Catalan-Prime
Eric Weisstein's World of Mathematics, Integer Sequence Primes
|
|
EXAMPLE
|
C = 0.915965594177..., and the 52-digit number 9159655941772190150546035149323841107741493742816721 is prime, so a(1)=52
|
|
CROSSREFS
|
Cf. A006752, A118329.
Sequence in context: A122239 A086860 A070147 this_sequence A079414 A005946 A000527
Adjacent sequences: A118325 A118326 A118327 this_sequence A118329 A118330 A118331
|
|
KEYWORD
|
nonn,more,bref
|
|
AUTHOR
|
Eric Weisstein (eric(AT)weisstein.com), Apr 24, 2006
|
|
EXTENSIONS
|
a(3) = 25477 from Eric Weisstein (eric(AT)weisstein.com), May 05, 2006
|
|
|
Search completed in 0.002 seconds
|
