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A046577 First denominator and then numerator of the elements to the right of the central elements of the 1/4-Pascal triangle (by row), excluding 1's. 0
4, 5, 4, 9, 4, 19, 4, 13, 8, 4, 17, 2, 35, 4, 49, 4, 21, 4, 119, 2, 35, 4, 25, 4, 259, 4, 189, 4, 95, 4, 29, 112, 71, 31, 4, 33, 2, 483, 183, 102, 4, 157, 4, 37, 2, 849, 285, 4, 565, 2, 97, 4, 41, 2, 1815, 2, 1419, 4, 1705, 4, 759, 4, 235, 4, 45, 1617, 4, 4543, 616, 2, 497, 70, 4 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..73.

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: A045834 A106148 A192038 * A176016 A184833 A281385

Adjacent sequences:  A046574 A046575 A046576 * A046578 A046579 A046580

KEYWORD

nonn

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from James A. Sellers, Dec 14 1999

STATUS

approved

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Last modified February 28 11:08 EST 2020. Contains 332323 sequences. (Running on oeis4.)