Sum of staircase twin primes according to the rule: top * bottom - next top.

Terms

a(0) =10a(1) =24a(2) =126a(3) =294a(4) =858a(5) =1704a(6) =3528a(7) =5082a(8) =10296a(9) =11526a(10) =18894a(11) =22320a(12) =32208a(13) =36666a(14) =38976a(15) =51744a(16) =57330a(17) =72618a(18) =79212a(19) =96996a(20) =120684a(21) =175968a(22) =186162a(23) =212922a(24) =271914a(25) =324300a(26) =359382a(27) =381282a(28) =411504a(29) =434790