The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A062758 Product of squares of divisors of n. 19
 1, 4, 9, 64, 25, 1296, 49, 4096, 729, 10000, 121, 2985984, 169, 38416, 50625, 1048576, 289, 34012224, 361, 64000000, 194481, 234256, 529, 110075314176, 15625, 456976, 531441, 481890304, 841, 656100000000, 961, 1073741824, 1185921 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Harry J. Smith, Table of n, a(n) for n=1..1000 FORMULA a(n) = n^tau(n) = n^A000005(n) = A007955(n)^2 A007318(n,k) <= a(n). - Reinhard Zumkeller, Mar 04 2008 MATHEMATICA Times@@(Divisors[#]^2)&/@Range[40] (* Harvey P. Dale, Jan 14 2011 *) PROG (PARI) { for (n=1, 1000, write("b062758.txt", n, " ", n^numdiv(n)) ) } \\ Harry J. Smith, Aug 10 2009 CROSSREFS Cf. A000005, A007955. Sequence in context: A059479 A094083 A168251 * A217854 A028822 A270696 Adjacent sequences:  A062755 A062756 A062757 * A062759 A062760 A062761 KEYWORD nonn AUTHOR Labos Elemer, Jul 16 2001 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
The OEIS Community | Maintained by The OEIS Foundation Inc.

Last modified January 24 16:47 EST 2020. Contains 331209 sequences. (Running on oeis4.)