Integers n such that prime(n-1) + prime(n+1) is a multiple of n.

Terms

a(0) =4a(1) =5a(2) =8a(3) =11a(4) =12a(5) =18a(6) =20a(7) =70a(8) =72a(9) =1053a(10) =4116a(11) =6459a(12) =6460a(13) =40083a(14) =63328a(15) =251742a(16) =399924a(17) =637320a(18) =637322a(19) =637330a(20) =2582288a(21) =2582436a(22) =2582488a(23) =10553828a(24) =16899042a(25) =69709721a(26) =179992913a(27) =179992922a(28) =465769813a(29) =749973302