Length of hypotenuse squared in right triangle formed by a palindromic spiral plotted in Cartesian coordinates.

A048871

Length of hypotenuse squared in right triangle formed by a palindromic spiral plotted in Cartesian coordinates.

Terms

    a(0) =2a(1) =5a(2) =13a(3) =25a(4) =41a(5) =61a(6) =85a(7) =113a(8) =145a(9) =202a(10) =605a(11) =1573a(12) =3025a(13) =4961a(14) =7381a(15) =10285a(16) =13673a(17) =17545a(18) =20002a(19) =22522a(20) =26962a(21) =31802a(22) =37042a(23) =42682a(24) =48722a(25) =55162a(26) =62002a(27) =69242a(28) =77285a(29) =85748

External references