Primes p such that none of p-2, p-1, p+1, and p+2 is squarefree.

Terms

a(0) =727a(1) =1423a(2) =1861a(3) =3719a(4) =6173a(5) =9749a(6) =11321a(7) =13183a(8) =19073a(9) =20873a(10) =23227a(11) =23473a(12) =23827a(13) =26981a(14) =27883a(15) =34351a(16) =35323a(17) =41263a(18) =42677a(19) =44449a(20) =45127a(21) =45523a(22) =47527a(23) =48751a(24) =49727a(25) =52391a(26) =53623a(27) =53849a(28) =68749a(29) =71993