OFFSET
0,4
COMMENTS
See A374848 for the definition of obverse convolution and a guide to related sequences.
MATHEMATICA
s[n_] := n; t[n_] := (-1)^n n;
u[n_] := Product[s[k] + t[n - k], {k, 0, n}]
Table[u[n], {n, 0, 26}]
CROSSREFS
KEYWORD
sign
AUTHOR
Clark Kimberling, Sep 14 2024
STATUS
approved