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A286548
a(n) = A003188(n) - n.
3
0, 0, 1, -1, 2, 2, -1, -3, 4, 4, 5, 3, -2, -2, -5, -7, 8, 8, 9, 7, 10, 10, 7, 5, -4, -4, -3, -5, -10, -10, -13, -15, 16, 16, 17, 15, 18, 18, 15, 13, 20, 20, 21, 19, 14, 14, 11, 9, -8, -8, -7, -9, -6, -6, -9, -11, -20, -20, -19, -21, -26, -26, -29, -31, 32, 32, 33, 31, 34, 34, 31, 29, 36, 36, 37, 35, 30, 30, 27, 25, 40, 40
OFFSET
0,5
FORMULA
a(n) = A003188(n) - n.
a(n) = -A286546(A003188(n)). - Antti Karttunen, Oct 02 2017
PROG
(Scheme) (define (A286548 n) (- (A003188 n) n))
CROSSREFS
KEYWORD
sign,base
AUTHOR
Antti Karttunen, May 18 2017
STATUS
approved