Smallest multiple of n-th prime which is == 1 mod (n+1)-st prime.

Terms

a(0) =4a(1) =6a(2) =15a(3) =56a(4) =66a(5) =52a(6) =153a(7) =323a(8) =552a(9) =435a(10) =186a(11) =370a(12) =861a(13) =1505a(14) =2068a(15) =2597a(16) =1770a(17) =671a(18) =3551a(19) =2556a(20) =949a(21) =4898a(22) =6142a(23) =1068a(24) =2425a(25) =5151a(26) =8240a(27) =5778a(28) =3052a(29) =1017