OFFSET
0,1
LINKS
G. C. Greubel, Table of n, a(n) for n = 0..1000
FORMULA
a(n) = Sum_{k=0..n} (-1)^(n+k)*binomial(n,k)*A120070(k). - G. C. Greubel, Sep 22 2024
MATHEMATICA
A120070 = Table[n^2 - k^2, {n, 2, 100}, {k, n-1}]//Flatten;
Table[A141615[n], {n, 0, 40}] (* G. C. Greubel, Sep 22 2024 *)
PROG
(Magma)
A120070:= [n^2-k^2: k in [1..n-1], n in [2..100]];
[A141615(n): n in [0..40]]; // G. C. Greubel, Sep 22 2024
(SageMath)
A120070=flatten([[n^2 -k^2 for k in range(1, n)] for n in range(2, 101)])
[A141615(n) for n in range(41)] # G. C. Greubel, Sep 22 2024
CROSSREFS
KEYWORD
sign,easy
AUTHOR
Paul Curtz, Aug 23 2008
EXTENSIONS
More terms from N. J. A. Sloane, Jan 25 2011
STATUS
approved