Composite numbers k, not a power of 2, such that the E(k) == 1 (mod k), where E(k) is the k-th Euler number (A000364).

A035163

Composite numbers k, not a power of 2, such that the E(k) == 1 (mod k), where E(k) is the k-th Euler number (A000364).

Terms

    a(0) =15a(1) =91a(2) =289a(3) =319a(4) =435a(5) =561a(6) =692a(7) =703a(8) =1016a(9) =1105a(10) =1369a(11) =1495a(12) =1729a(13) =1885a(14) =1891a(15) =2105a(16) =2465a(17) =2701a(18) =2755a(19) =2821a(20) =3367a(21) =4371a(22) =5551a(23) =6409a(24) =6601a(25) =7456a(26) =8224a(27) =8569a(28) =8695a(29) =8911

External references