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A096612 a(n)=number of Catalan knight paths in right half-plane from (0,0) to (n,n). 0
1, 0, 0, 2, 4, 4, 6, 30, 58, 76, 196, 528, 1010, 1860, 4470, 10416, 20762, 43272, 99568, 219198, 457862, 993192, 2221840, 4833382, 10372864, 22752468, 50238288, 109413330, 238079388, 523375136, 1150530568, 2515127392, 5508368758 (list; graph; refs; listen; history; text; internal format)
OFFSET

0,4

COMMENTS

A diagonal of the array in A096608.

LINKS

Table of n, a(n) for n=0..32.

CROSSREFS

Cf. A096608, A096609, A099610, A099611.

Sequence in context: A039830 A159788 A179112 * A218707 A177153 A164719

Adjacent sequences:  A096609 A096610 A096611 * A096613 A096614 A096615

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jun 29 2004

STATUS

approved

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Last modified September 25 12:44 EDT 2017. Contains 292469 sequences.