|
Search: id:A091123
|
|
|
| A091123 |
|
Number of primes of the form 7k+4 less than 10^n. |
|
+0
6
|
|
| 0, 3, 26, 202, 1601, 13069, 110776, 960085, 8474021, 75841922
(list; graph; listen)
|
|
|
OFFSET
|
1,2
|
|
|
COMMENT
|
Computed by T. D. Noe (noe(AT)sspectra.com), Dec 19, 2003.
|
|
LINKS
|
Eric Weisstein's World of Mathematics, Modular Prime Counting Function
|
|
CROSSREFS
|
Cf. A091120, A091121, A091122, A091124, A091125.
Sequence in context: A038697 A091262 A121121 this_sequence A037790 A037671 A037797
Adjacent sequences: A091120 A091121 A091122 this_sequence A091124 A091125 A091126
|
|
KEYWORD
|
nonn,more
|
|
AUTHOR
|
Eric Weisstein (eric(AT)weisstein.com), Dec 19, 2003
|
|
EXTENSIONS
|
a(10) from Robert G. Wilson v (rgwv(AT)rgwv.com), Dec 22 2003
|
|
|
Search completed in 0.002 seconds
|
