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A046588 Distinct numbers in writing first numerator and then denominator of each element to the right of the central elements of the 1/4-Pascal triangle (by row). +0
1
1, 5, 4, 9, 19, 13, 8, 17, 35, 2, 49, 21, 119, 25, 259, 189, 95, 29, 112, 71, 31, 33, 483, 183, 102, 157, 37, 849, 285, 565, 97, 41, 1815, 1419, 1705, 759, 235, 45, 1617, 4543, 616, 497, 70, 3432, 11011, 7007, 1729, 637, 329, 53, 24739, 9009, 10465, 1183, 1603 (list; graph; listen)
OFFSET

1,2

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: A102081 A068397 A022344 this_sequence A086654 A152064 A088482

Adjacent sequences: A046585 A046586 A046587 this_sequence A046589 A046590 A046591

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 November 27 22:38 EST 2009. Contains 167602 sequences.


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