Smallest prime factor of |A001067(n)|, or 1 if |A001067(n)| = 1.

Terms

a(0) =1a(1) =1a(2) =1a(3) =1a(4) =1a(5) =691a(6) =1a(7) =3617a(8) =43867a(9) =283a(10) =131a(11) =103a(12) =657931a(13) =9349a(14) =1721a(15) =37a(16) =151628697551a(19) =137616929a(21) =59a(22) =383799511a(23) =653a(24) =417202699a(25) =577a(26) =39409a(27) =113161a(28) =67a(29) =2003a(30) =157a(31) =1226592271a(32) =839