Primes of the form (c^k+1)/(c+1) not having a representation in the form (b^q-1)/(b-1), where b, c > 1 and k, q > 2.

A343774

Primes of the form (c^k+1)/(c+1) not having a representation in the form (b^q-1)/(b-1), where b, c > 1 and k, q > 2.

Terms

    a(0) =3a(1) =11a(2) =61a(3) =521a(4) =547a(5) =683a(6) =2731a(7) =9091a(8) =13421a(9) =19141a(10) =43691a(11) =61681a(12) =152381a(13) =174763a(14) =185641a(15) =224071a(16) =398581a(17) =909091a(18) =1151041a(19) =1623931a(20) =1824841a(21) =2031671a(22) =2796203a(23) =3341101a(24) =4778021a(25) =5200081a(26) =7027567a(27) =8987221a(28) =10678711a(29) =15790321

External references