a(n) is the smallest integer k > 3 that satisfies k mod j <= 3 for all integers j in 1..n.

Terms

a(0) =4a(1) =4a(2) =4a(3) =4a(4) =5a(5) =6a(6) =7a(7) =8a(8) =56a(9) =72a(10) =91a(11) =651a(12) =651a(13) =1080a(14) =1080a(15) =1443a(16) =20163a(17) =20163a(18) =246962a(19) =246962a(20) =246962a(21) =609843a(22) =2162162a(23) =2162162a(24) =29055601a(25) =29055601a(26) =107881202a(27) =107881202a(28) =205405203a(29) =205405203