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A067637
Row 2 of table in A067640.
2
8, 174, 2992, 47820, 742296, 11376554, 173401952
OFFSET
0,1
CROSSREFS
Sequence in context: A263461 A215124 A138783 * A357503 A024109 A027464
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, Feb 05 2002
STATUS
approved