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A070825 One half of product of first n+1 Lucas numbers A000032. 3
1, 1, 3, 12, 84, 924, 16632, 482328, 22669416, 1722875616, 211913700768, 42170826452832, 13579006117811904, 7074662187380001984, 5963940223961341672512, 8134814465483270041306368 (list; graph; refs; listen; history; internal format)
OFFSET

0,3

FORMULA

a(n)=product(L(n), n=0..n)/2 with L(n) := A000032(n).

CROSSREFS

Cf. A003266 (for Fibonacci), A003046 (for Catalan).

Sequence in context: A066780 A147835 A032183 * A077047 A074505 A039305

Adjacent sequences:  A070822 A070823 A070824 * A070826 A070827 A070828

KEYWORD

nonn,easy

AUTHOR

Wolfdieter Lang (wolfdieter.lang(AT)physik.uni-karlsruhe.de), May 10, 2002

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Last modified February 17 00:09 EST 2012. Contains 205978 sequences.