This site is supported by donations to The OEIS Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A182687 a(n) = the smallest 1-digit number with exactly n divisors, a(n) = 0 if no such number exists. 1
 1, 2, 4, 6, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS FORMULA A000005(a(n)) = n for n <= 4. 4 = max n such that a(n) > 0, a(n) = 0 for n > 4. CROSSREFS Cf. A182688. Sequence in context: A242915 A066684 A128124 * A141062 A131806 A004518 Adjacent sequences:  A182684 A182685 A182686 * A182688 A182689 A182690 KEYWORD nonn,base,less AUTHOR Jaroslav Krizek, Nov 27 2010 STATUS approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent | More pages
The OEIS Community | Maintained by The OEIS Foundation Inc.