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A046593 First denominator and then numerator of each element of the 1/4-Pascal triangle (by row),excluding 1's and 2's. 0
4, 4, 5, 4, 5, 4, 9, 5, 4, 9, 4, 13, 4, 19, 4, 19, 4, 13, 4, 17, 8, 19, 8, 4, 17, 4, 21, 4, 49, 35, 35, 4, 49, 4, 21, 4, 25, 35, 4, 119, 35, 4, 119, 35, 4, 25, 4, 29, 4, 95, 4, 189, 4, 259, 4, 259, 4, 189, 4, 95, 4, 29, 4, 33, 31, 71, 112, 259, 112, 71, 31, 4, 33, 4, 37, 4, 157, 102 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

Table of n, a(n) for n=1..78.

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: A091283 A161758 A046566 * A158935 A226446 A158086

Adjacent sequences:  A046590 A046591 A046592 * A046594 A046595 A046596

KEYWORD

tabf,nonn

AUTHOR

Mohammad K. Azarian

EXTENSIONS

More terms from James A. Sellers, Dec 14 1999

STATUS

approved

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Last modified October 18 07:40 EDT 2019. Contains 328146 sequences. (Running on oeis4.)