Least multiple of n such that every partial concatenation followed by a 1 is prime.

Terms

a(0) =1a(1) =8a(2) =3a(3) =4a(4) =5a(5) =78a(6) =28a(7) =32a(8) =36a(9) =40a(10) =176a(11) =528a(12) =624a(13) =280a(14) =30a(15) =144a(16) =1088a(17) =432a(18) =1273a(19) =120a(20) =1869a(21) =440a(22) =3427a(23) =1632a(24) =2000a(25) =2080a(26) =1701a(27) =2268a(28) =10179a(29) =480