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 A277889 After zero, excess of the odd terms in A276573 (the infinite trunk of least squares beanstalk) over the even terms. 4
 0, 1, 0, -1, 0, 1, 0, -1, 0, -1, 0, -1, -2, -1, -2, -3, -2, -1, -2, -1, 0, -1, 0, 1, 0, 1, 0, -1, 0, -1, -2, -1, 0, -1, -2, -1, -2, -1, -2, -1, -2, -3, -2, -1, -2, -1, -2, -3, -2, -3, -4, -3, -2, -3, -2, -1, -2, -1, -2, -3, -4, -3, -4, -3, -2, -3, -2, -1, -2, -1, -2, -1, -2, -3, -2, -1, -2, -1, -2, -1, 0, -1, 0, 1, 2, 1, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 0,13 COMMENTS Is a(2358) = 0 the last zero of this sequence? See also comments in A277891. LINKS Antti Karttunen, Table of n, a(n) for n = 0..41014 FORMULA a(0) = 0; for n >= 1, a(n) = a(n-1) - (-1)^A276573(n). PROG (Scheme, with memoization-macro definec) (definec (A277889 n) (if (zero? n) n (- (A277889 (- n 1)) (expt -1 (A276573 n))))) CROSSREFS Cf. A002828, A276573, A277890, A277891. Sequence in context: A231775 A128065 A329744 * A018194 A338630 A286281 Adjacent sequences:  A277886 A277887 A277888 * A277890 A277891 A277892 KEYWORD sign AUTHOR Antti Karttunen, Nov 13 2016 STATUS approved

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Last modified April 14 05:41 EDT 2021. Contains 342946 sequences. (Running on oeis4.)