login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A079836 Following is the triangle in which the n-th row contains n numbers with n divisors that lie between A079835(n) and A079835(n+1); sequence gives the first column. 1
1, 2, 9, 51, 81, 28577, 117649, 594823330, 594823330, 596971504 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

1

2 3

9 25 49

51 55 57 58

81 625 2401 14641 28561

...

The 4th row consists of 4 consecutive elements of A030513, the 5th row 5 consecutive elements of A030514, the 6th and 7th rows consecutive elements of A030515 and A030516, the 8th of A030626, the 9th of A030627 etc. - R. J. Mathar, Mar 29 2007

LINKS

Table of n, a(n) for n=1..10.

CROSSREFS

Cf. A079835, A079837.

Sequence in context: A175895 A020087 A277378 * A026945 A246464 A009310

Adjacent sequences:  A079833 A079834 A079835 * A079837 A079838 A079839

KEYWORD

more,nonn

AUTHOR

Amarnath Murthy, Feb 15 2003

EXTENSIONS

Two more terms from R. J. Mathar, Mar 29 2007

3 more terms from Lambert Herrgesell (zero815(AT)googlemail.com), Feb 08 2008

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.

License Agreements, Terms of Use, Privacy Policy .

Last modified February 21 12:10 EST 2018. Contains 299411 sequences. (Running on oeis4.)