OFFSET
0,2
COMMENTS
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..640
FORMULA
a(n) = Sum_{k=0..n(n-1)/2} A152555(n,k)*(-1)^k.
MATHEMATICA
Table[2(2n+2)^Floor[(n-1)/2], {n, 0, 30}] (* Harvey P. Dale, Nov 13 2012 *)
PROG
(PARI) a(n)=2*(2*n+2)^((n-1)\2)
(Magma) [2*(2*n+2)^(Floor((n-1)/2)): n in [0..30]]; // G. C. Greubel, Nov 17 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 07 2008
STATUS
approved