Composite numbers n such that E(n+1)+1 is divisible by n, where E(n) is the n-th Euler number (A122045).

A287934

Composite numbers n such that E(n+1)+1 is divisible by n, where E(n) is the n-th Euler number (A122045).

Terms

    a(0) =289a(1) =341a(2) =561a(3) =1105a(4) =1369a(5) =1387a(6) =1729a(7) =2465a(8) =2821a(9) =4097a(10) =5365a(11) =6179a(12) =6601a(13) =8911a(14) =9105a(15) =9537a(16) =10585a(17) =12673a(18) =14433a(19) =14531a(20) =15457a(21) =15841a(22) =28033a(23) =29341a(24) =33901a(25) =41041a(26) =41905a(27) =42141a(28) =46657a(29) =48705

External references