a(n)=T(n,3), array T as in A049735.

Terms

a(0) =29a(1) =37a(2) =45a(3) =61a(4) =81a(5) =109a(6) =145a(7) =185a(8) =233a(9) =293a(10) =349a(11) =421a(12) =489a(13) =561a(14) =657a(15) =749a(16) =845a(17) =949a(18) =1049a(19) =1177a(20) =1289a(21) =1425a(22) =1565a(23) =1693a(24) =1853a(25) =2001a(26) =2161a(27) =2321a(28) =2493a(29) =2693