a(n)^2 contains n-th prime as a substring.

Terms

a(0) =5a(1) =6a(2) =5a(3) =24a(4) =34a(5) =37a(6) =42a(7) =14a(8) =48a(9) =23a(10) =56a(11) =61a(12) =21a(13) =66a(14) =69a(15) =73a(16) =77a(17) =19a(18) =26a(19) =131a(20) =86a(21) =89a(22) =94a(23) =17a(24) =176a(25) =318a(26) =321a(27) =226a(28) =331a(29) =337