a(n) = (11*n+1)*(11*n+10).

Terms

a(0) =10a(1) =252a(2) =736a(3) =1462a(4) =2430a(5) =3640a(6) =5092a(7) =6786a(8) =8722a(9) =10900a(10) =13320a(11) =15982a(12) =18886a(13) =22032a(14) =25420a(15) =29050a(16) =32922a(17) =37036a(18) =41392a(19) =45990a(20) =50830a(21) =55912a(22) =61236a(23) =66802a(24) =72610a(25) =78660a(26) =84952a(27) =91486a(28) =98262a(29) =105280