a(n) = (p*(p+4)+1)/2 where (p,p+4) are the n-th cousin prime pair.

Terms

a(0) =11a(1) =39a(2) =111a(3) =219a(4) =759a(5) =1011a(6) =2379a(7) =3279a(8) =4899a(9) =5511a(10) =6159a(11) =8319a(12) =13611a(13) =19011a(14) =25311a(15) =26679a(16) =38919a(17) =47739a(18) =49611a(19) =61599a(20) =72579a(21) =79599a(22) =97239a(23) =105339a(24) =108111a(25) =119559a(26) =125499a(27) =189111a(28) =208011a(29) =227811