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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A046583 First denominator and then numerator of each element to the right of the central elements of the 1/4-Pascal triangle (by row), excluding 4's. 0
1, 1, 1, 1, 5, 1, 1, 9, 1, 1, 19, 13, 1, 1, 1, 8, 17, 1, 1, 2, 35, 49, 21, 1, 1, 119, 2, 35, 25, 1, 1, 259, 189, 95, 29, 1, 1, 1, 112, 1, 71, 1, 31, 33, 1, 1, 2, 483, 1, 183, 1, 102, 157, 37, 1, 1, 2, 849, 1, 285, 565, 2, 97, 41, 1, 1, 2, 1815, 2, 1419, 1705, 759, 235, 45, 1, 1, 1 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,5

LINKS

Table of n, a(n) for n=1..77.

EXAMPLE

1/1; 1/1 1/1; 1/1 1/4 1/1; 1/1 5/4 5/4 1/1; 1/1 9/4 5/2 9/4 1/1; 1/1 13/4 19/4 19/4 13/4 1/1; 1/1 17/4 8/1 19/2 8/1 17/4 1/1; 1/1 21/4 49/4 35/2 35/2 49/4 21/4 1/1; ...

CROSSREFS

Cf. A046563.

Sequence in context: A132048 A141398 A058281 * A046579 A153108 A157174

Adjacent sequences:  A046580 A046581 A046582 * A046584 A046585 A046586

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from James A. Sellers, Dec 14 1999

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.

License Agreements, Terms of Use, Privacy Policy. .

Last modified January 26 23:05 EST 2020. Contains 331289 sequences. (Running on oeis4.)