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A046550 First numerator and then denominator of the elements to the right of the central elements of the 1/3-Pascal triangle (by row), excluding 3's. +0
1
1, 1, 1, 1, 4, 1, 1, 7, 1, 1, 5, 1, 10, 1, 1, 25, 13, 1, 1, 55, 38, 16, 1, 1, 93, 18, 1, 19, 1, 1, 203, 147, 73, 22, 1, 1, 350, 220, 95, 25, 1, 1 (list; table; graph; listen)
OFFSET

1,5

EXAMPLE

1/1; 1/1 1/1; 1/1 1/3 1/1; 1/1 4/3 4/3 1/1; 1/1 7/3 8/3 7/3 1/1; 1/1 10/3 5/1 5/1 10/3 1/1; 1/1 13/3 25/3 10/1 25/3 13/3 1/1; 1/1 16/3 38/3 55/3 55/3 38/3 16/3 1/1; ...

CROSSREFS

Cf. A046534.

Sequence in context: A075112 A046554 A010321 this_sequence A016521 A131060 A124376

Adjacent sequences: A046547 A046548 A046549 this_sequence A046551 A046552 A046553

KEYWORD

tabl,nonn

AUTHOR

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

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.


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