|
Search: id:A077326
|
|
|
| A077326 |
|
Smallest number beginning with 1 and having exactly n distinct prime divisors. |
|
+0
27
|
|
| 1, 11, 10, 102, 1020, 10010, 101010, 1009470, 11741730, 1001110110, 10407767370, 1000287585570, 10293281928930, 1001230315195110, 13082761331670030, 1004819888620217670, 100015003602410826930, 1922760350154212639070
(list; graph; listen)
|
|
|
OFFSET
|
0,2
|
|
|
EXAMPLE
|
a(0) = 1, a(5) = 10010 = 2*5*7*11*13.
|
|
CROSSREFS
|
Cf. A077327, A077328, A077329, A077330, A077331, A077332, A077333, A077334.
Cf. A106411-A106419, A106421-A106429.
Sequence in context: A061882 A120005 A105026 this_sequence A106411 A105028 A014550
Adjacent sequences: A077323 A077324 A077325 this_sequence A077327 A077328 A077329
|
|
KEYWORD
|
base,nonn
|
|
AUTHOR
|
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Nov 04 2002
|
|
EXTENSIONS
|
More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Jan 04 2003
a(9)-a(10) from Ray Chandler (rayjchandler(AT)sbcglobal.net), Apr 17 2005
More terms from Ray Chandler (rayjchandler(AT)sbcglobal.net), May 02 2005
|
|
|
Search completed in 0.002 seconds
|
