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A046567 First denominator and then numerator of the 1/4-Pascal triangle (by row), excluding 1's and 4's. +0
1
5, 5, 9, 2, 5, 9, 13, 19, 19, 13, 17, 8, 2, 19, 8, 17, 21, 49, 2, 35, 2, 35, 49, 21, 25, 2, 35, 119, 35, 119, 2, 35, 25, 29, 95, 189, 259, 259, 189, 95, 29, 33, 31, 71, 112, 2, 259, 112, 71, 31, 33, 37, 157, 102, 183, 2, 483, 2, 483, 183, 102, 157, 37, 41, 2, 97, 565, 285, 2 (list; graph; listen)
OFFSET

1,1

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: A107623 A081287 A019843 this_sequence A046600 A030798 A021951

Adjacent sequences: A046564 A046565 A046566 this_sequence A046568 A046569 A046570

KEYWORD

tabf,nonn

AUTHOR

Mohammad K. Azarian (ma3(AT)evansville.edu)

EXTENSIONS

More terms from James A. Sellers (sellersj(AT)math.psu.edu), Dec 14 1999

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Last modified December 2 11:54 EST 2009. Contains 167921 sequences.


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