Let p = n-th prime of the form 4k+3, take smallest solution (x,y) to the Pellian equation x^2 - p*y^2 = 1 with x and y >= 1; sequence gives value of x.

A081231

Let p = n-th prime of the form 4k+3, take smallest solution (x,y) to the Pellian equation x^2 - p*y^2 = 1 with x and y >= 1; sequence gives value of x.

Terms

    a(0) =2a(1) =8a(2) =10a(3) =170a(4) =24a(5) =1520a(6) =3482a(7) =48a(8) =530a(9) =48842a(10) =3480a(11) =80a(12) =82a(13) =227528a(14) =962a(15) =4730624a(16) =10610a(17) =77563250a(18) =1728148040a(19) =64080026a(20) =168a(21) =4190210a(22) =8994000a(23) =16266196520a(24) =278354373650a(25) =224a(26) =226a(27) =6195120a(28) =3674890a(29) =139128

External references