a(1) = a(3) = 0, and otherwise a(n) is the least multiple of prime(n) whose decimal representation ends with that of prime(n+1).

A333845

a(1) = a(3) = 0, and otherwise a(n) is the least multiple of prime(n) whose decimal representation ends with that of prime(n+1).

Terms

    a(0) =0a(1) =15a(2) =0a(3) =511a(4) =913a(5) =117a(6) =119a(7) =323a(8) =529a(9) =1131a(10) =837a(11) =3441a(12) =943a(13) =1247a(14) =4653a(15) =159a(16) =4661a(17) =2867a(18) =871a(19) =4473a(20) =1679a(21) =6083a(22) =6889a(23) =6497a(24) =71101a(25) =81103a(26) =7107a(27) =52109a(28) =17113a(29) =54127

External references