|
Search: id:A084048
|
|
|
| A084048 |
|
n-th nonnegative Integer m such that fp(50,m)=2m3m5m...227m229 is prime (prime(49)=227, prime(50)=229). |
|
+0
1
|
|
| 96, 359, 546, 1422, 1644, 1980, 2241, 3458, 3606, 4530, 4629, 5018, 5090, 5114, 5166, 7007, 7389, 8534, 9123, 9717, 9771, 10065, 10343, 10355, 10514, 10596, 11307, 11361, 11531, 12401, 12759, 13707, 14810, 15185, 15290, 15614, 15728, 16038
(list; graph; listen)
|
|
|
OFFSET
|
1,1
|
|
|
COMMENT
|
fp(n,m)=prime(1)m prime(2)m prime(3)...m prime(n) (cf. A083677) A032711(n)=n-th nonnegative Integer m such that fp(2,m)=2m3 is prime.
|
|
EXAMPLE
|
a(1)=96 because fp(50,k)=2k3k5k7k11k13 for k=0,1,2,...,49 are composite numbers and fp(50,96)=296396596...22796229 is prime.
fp(50,96) is prime number with 219 digits.
|
|
CROSSREFS
|
Cf. A083677, A032711.
Sequence in context: A124106 A062027 A048189 this_sequence A051483 A051465 A096783
Adjacent sequences: A084045 A084046 A084047 this_sequence A084049 A084050 A084051
|
|
KEYWORD
|
easy,nonn,uned
|
|
AUTHOR
|
Farideh Firoozbakht (f.firoozbakht(AT)sci.ui.ac.ir), Jun 19 2003
|
|
|
Search completed in 0.002 seconds
|
