OFFSET
0,7
COMMENTS
Partial differences give A004593, when -1 is replaced by 0.
LINKS
Alois P. Heinz, Table of n, a(n) for n = 0..20000
FORMULA
a(0) = 0, a(n) = a(n-1) + 2*A004593(n+1) - 1 for n>=1.
CROSSREFS
KEYWORD
AUTHOR
Alois P. Heinz, Feb 05 2024
STATUS
approved