References to A171180

a(n) = (4n+1)^(1/2)/(4n+1) * ((1-p)q^n - (1-q)p^n) where p= (1-(4n+1)^(1/2))/2 and q = (1+(4n+1)^(1/2))/2
1, 3, 7, 29, 96, 463, 1905, 10233, 49159, 287891, 1557744, 9814741, 58451849

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