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A077326 Smallest number beginning with 1 and having exactly n distinct prime divisors. 26
1, 11, 10, 102, 1020, 10010, 101010, 1009470, 11741730, 1001110110, 10407767370, 1000287585570, 10293281928930, 1001230315195110, 13082761331670030, 1004819888620217670, 100015003602410826930, 1922760350154212639070 (list; graph; refs; listen; history; text; internal format)
OFFSET
0,2
LINKS
Table of n, a(n) for n=0..17.
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: A362335 A105026 A350671 * A106411 A353728 A304747
Adjacent sequences: A077323 A077324 A077325 * A077327 A077328 A077329
KEYWORD
base,nonn
AUTHOR
Amarnath Murthy, Nov 04 2002
EXTENSIONS
More terms from Sascha Kurz, Jan 04 2003
a(9)-a(10) from Ray Chandler, Apr 17 2005
More terms from Ray Chandler, May 02 2005
STATUS
approved

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Last modified May 15 05:46 EDT 2024. Contains 372538 sequences. (Running on oeis4.)