|
| |
|
|
A124058
|
|
Smallest of the first occurrence of n consecutive integers with all different prime signatures.
|
|
1
| |
|
|
2, 3, 4, 6, 8, 23, 24, 1804, 1968, 8375, 53750, 243864, 639324, 41381620, 102621343, 7802708736, 7802708736
(list; graph; refs; listen; history; internal format)
|
|
|
|
OFFSET
| 1,1
|
|
|
COMMENTS
| Essentially the same as A083790. - T. D. Noe, Nov 10 2006
a(18) > 10^11. [From Donovan Johnson (donovan.johnson(AT)yahoo.com), Oct 24 2009]
|
|
|
LINKS
| Eric Weisstein's World of Mathematics, Description of prime signature
|
|
|
EXAMPLE
| a(6)= 23 because it begins the first occurrence of 6 consecutive integers that have all different prime signatures ({1}, {1,3}, {2}, {1,1}, {3}, {1,2} respectively for 23 through 28).
|
|
|
CROSSREFS
| Cf. A034173, A025487, A083790, A083788.
Sequence in context: A084074 A144722 A105808 * A118080 A136561 A112868
Adjacent sequences: A124055 A124056 A124057 * A124059 A124060 A124061
|
|
|
KEYWORD
| nonn
|
|
|
AUTHOR
| Joe McCauley (mccauleyj(AT)insightbb.com), Nov 03 2006
|
|
|
EXTENSIONS
| a(12)-a(15) added from A083790, Nov 10 2006
a(16)-a(17) from Donovan Johnson (donovan.johnson(AT)yahoo.com), Oct 24 2009
|
| |
|
|
