Total number of points on a sphere when both poles are on an x by x grid where x=8*n+1.

Terms

a(0) =6a(1) =26a(2) =62a(3) =114a(4) =182a(5) =266a(6) =366a(7) =482a(8) =614a(9) =762a(10) =926a(11) =1106a(12) =1302a(13) =1514a(14) =1742a(15) =1986a(16) =2246a(17) =2522a(18) =2814a(19) =3122a(20) =3446a(21) =3786a(22) =4142a(23) =4514a(24) =4902a(25) =5306a(26) =5726a(27) =6162a(28) =6614a(29) =7082