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A046216 First denominator and then numerator of 1/2-Pascal triangle (by row), excluding 1's. 0
2, 2, 3, 2, 3, 2, 5, 3, 2, 5, 2, 7, 2, 11, 2, 11, 2, 7, 2, 9, 9, 11, 9, 2, 9, 2, 11, 2, 27, 20, 20, 2, 27, 2, 11, 2, 13, 19, 2, 67, 40, 2, 67, 19, 2, 13, 2, 15, 2, 51 (list; table; graph; refs; listen; history; internal format)
OFFSET

1,1

EXAMPLE

1/1; 1/1 1/1; 1/1 1/2 1/1; 1/1 3/2 3/2 1/1; 1/1 5/2 3/1 5/2 1/1; 1/1 7/2 11/2 11/2 7/2 1/1; 1/1 9/2 9/1 11/1 9/1 9/2 1/1; 1/1 11/2 27/2 20/1 20/1 27/2 11/2 1/1; ...

CROSSREFS

Cf. A046213.

Sequence in context: A134740 A054714 A060324 * A105560 A165916 A096013

Adjacent sequences:  A046213 A046214 A046215 * A046217 A046218 A046219

KEYWORD

tabl,nonn

AUTHOR

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

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Last modified February 15 18:22 EST 2012. Contains 205835 sequences.