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A024582 a(n) = [ a(n-1)/(pi - 3) ], where a(0) = 1. 0
1, 7, 49, 346, 2443, 17253, 121849, 860560, 6077716, 42923950, 303150968, 2141007745, 15120895687, 106791526987, 754216580306, 5326664633964, 37619639853603, 265689207030405 (list; graph; refs; listen; history; internal format)
OFFSET

0,2

CROSSREFS

Sequence in context: A050737 A195908 A033143 * A024587 A144820 A199554

Adjacent sequences:  A024579 A024580 A024581 * A024583 A024584 A024585

KEYWORD

nonn

AUTHOR

Clark Kimberling (ck6(AT)evansville.edu)

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Last modified February 15 10:28 EST 2012. Contains 205763 sequences.