This site is supported by donations to The OEIS Foundation.

Thanks to everyone who made a donation during our annual appeal!
To see the list of donors, or make a donation, see the OEIS Foundation home page.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A066842 a(n) = Product_{k|n} k^k; product is over the positive divisors, k, of n. 1
 1, 4, 27, 1024, 3125, 5038848, 823543, 17179869184, 10460353203, 125000000000000, 285311670611, 11501279977342425366528, 302875106592253, 36604861748562100682752, 36947297000885009765625 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS Harry J. Smith, Table of n, a(n) for n = 1..100 EXAMPLE a(6) = 1^1 * 2^2 * 3^3 * 6^6 = 5038848 because 1, 2, 3 and 6 are the divisors of 6. PROG (PARI) { for (n=1, 100, d=divisors(n); p=1; for (i=2, length(d), k=d[i]; p*=k^k); write("b066842.txt", n, " ", p) ) } \\ Harry J. Smith, Apr 01 2010 CROSSREFS Sequence in context: A104168 A197990 A068327 * A133032 A271385 A110763 Adjacent sequences:  A066839 A066840 A066841 * A066843 A066844 A066845 KEYWORD nonn AUTHOR Leroy Quet, Jan 20 2002 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 16 19:49 EST 2019. Contains 319206 sequences. (Running on oeis4.)