Numbers k such that the odd part of (1+k) divides (1 + odd part of A003959(k)), where A003959 is multiplicative with a(p^e) = (p+1)^e.

A387419

Numbers k such that the odd part of (1+k) divides (1 + odd part of A003959(k)), where A003959 is multiplicative with a(p^e) = (p+1)^e.

Terms

    a(0) =1a(1) =3a(2) =4a(3) =7a(4) =15a(5) =31a(6) =40a(7) =63a(8) =127a(9) =255a(10) =511a(11) =639a(12) =1023a(13) =2047a(14) =2175a(15) =2431a(16) =4095a(17) =5247a(18) =8191a(19) =14335a(20) =16383a(21) =32767a(22) =40959a(23) =44031a(24) =57855a(25) =65535a(26) =90111a(27) =131071a(28) =204799a(29) =262143

External references