A087458 Greatest prime p such that prime(n)+p <= prime(n+1); a(1)=1.

1, 2, 2, 3, 2, 3, 2, 3, 5, 2, 5, 3, 2, 3, 5, 5, 2, 5, 3, 2, 5, 3, 5, 7, 3, 2, 3, 2, 3, 13, 3, 5, 2, 7, 2, 5, 5, 3, 5, 5, 2, 7, 2, 3, 2, 11, 11, 3, 2, 3, 5, 2, 7, 5, 5, 5, 2, 5, 3, 2, 7, 13, 3, 2, 3, 13, 5, 7, 2, 3, 5, 7, 5, 5, 3, 5, 7, 3, 7, 7, 2, 7, 2, 5, 3, 5, 7, 3, 2, 3, 11, 7, 3, 7, 3, 5, 11, 2, 17