OFFSET
0,4
COMMENTS
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..642
FORMULA
a(n) = Sum_{k=0..n(n-1)/2} A152550(n,k)*(-1)^k.
MATHEMATICA
Table[(2n+1)^Floor[(n-1)/2], {n, 0, 30}] (* Harvey P. Dale, Nov 21 2011 *)
PROG
(PARI) a(n)=(2*n+1)^((n-1)\2)
(Magma) [(2*n+1)^Floor((n-1)/2): n in [0..50]]; // G. C. Greubel, Nov 16 2017
CROSSREFS
KEYWORD
nonn
AUTHOR
Paul D. Hanna, Dec 07 2008
STATUS
approved