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A162546
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A Somos-4 variant: a(n)=(36*a(n-1)*a(n-3)-68*a(n-2)^2)/a(n-4).
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2
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1, 1, -16, -644, -40592, -4821056, 17059328, 2492895195136, 10659285907800064, 86296767700623425536, 1081586547380924161458176, -36649408809924048998874742784, -18144416387824430577315746611724288
(list; graph; refs; listen; history; internal format)
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