Lesser of 2 successive primes (k, k+4) sandwiching 3 consecutive nonsquarefree numbers.

Terms

a(0) =97a(1) =349a(2) =1447a(3) =1663a(4) =2347a(5) =3697a(6) =9547a(7) =13147a(8) =13309a(9) =13687a(10) =14533a(11) =14947a(12) =15727a(13) =16603a(14) =21139a(15) =24547a(16) =24847a(17) =26557a(18) =27733a(19) =31147a(20) =32797a(21) =33613a(22) =34603a(23) =35593a(24) =36943a(25) =38149a(26) =38707a(27) =40849a(28) =41047a(29) =42433