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A138463
A bisection of A006318.
2
2, 22, 394, 8558, 206098, 5293446, 142078746, 3937603038, 111818026018, 3236724317174, 95149655201962
OFFSET
0,1
FORMULA
a(n)=A006318(2n+1).
D-finite with recurrence +(n+1)*(2*n+1)*a(n) +(-70*n^2+3*n+4)*a(n-1) +(70*n^2-207*n+149)*a(n-2) -(n-2)*(2*n-5)*a(n-3)=0. - R. J. Mathar, Mar 25 2024
MAPLE
A138463 := proc(n)
A006318(2*n+1) ;
end proc:
seq(A138463(n), n=0..50) ; # R. J. Mathar, Mar 25 2024
CROSSREFS
Sequence in context: A151615 A111985 A265860 * A007842 A287595 A201511
KEYWORD
nonn
AUTHOR
N. J. A. Sloane, May 08 2008
STATUS
approved