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A212655
Denominator of Bernoulli(2*n,1/2) / Period of length 2: repeat 12, 60.
0
1, 4, 112, 64, 2816, 93184, 4096, 278528, 8716288, 2883584
OFFSET
1,2
COMMENTS
See A165949(n) = (A027642(n+1)=A027762(n))/A165734(n).
a(n) is divisible by 4^(n-1).
FORMULA
a(n) = A033469(n)/A040874(n).
a(n) = 4^(n-1) * A165949(n).
EXAMPLE
a(1) = (B(2,1/2)=12)/12=1, a(2)=240/60=4, a(3)=1344/12=112, a(4)=3840/60=64.
CROSSREFS
Cf. A000302.
Sequence in context: A181272 A214107 A202518 * A181485 A135917 A241798
KEYWORD
nonn,less
AUTHOR
Paul Curtz, Apr 14 2013
STATUS
approved