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A358449 Euler transform of (0, 1, -2, 4, -8, 16, ...), (cf. A122803).

%I A358449 #10 Nov 18 2022 09:55:08
%S A358449 1,1,-1,3,-4,4,-2,2,2,-26,80,-168,351,-749,1485,-2779,5134,-9314,
%T A358449 16318,-27522,44596,-68484,96148,-113172,77125,122309,-750801,2411307,
%U A358449 -6424162,15607886,-35846784,79201548,-170009469,356687423,-734287141,1487086199,-2967980133
%N A358449 Euler transform of (0, 1, -2, 4, -8, 16, ...), (cf. A122803).
%H A358449 Seiichi Manyama, <a href="/A358449/b358449.txt">Table of n, a(n) for n = 0..1000</a>
%p A358449 # Uses EulerTransform from A358369.
%p A358449 a := EulerTransform(BinaryRecurrenceSequence(-2, 0)): seq(a(n), n=0..36);
%o A358449 (Sage) # uses[EulerTransform from A166861]
%o A358449 b = BinaryRecurrenceSequence(-2, 0)
%o A358449 a = EulerTransform(b)
%o A358449 print([a(n) for n in range(37)])
%Y A358449 Cf. A034691, A122803.
%K A358449 sign
%O A358449 0,4
%A A358449 _Peter Luschny_, Nov 17 2022