Numbers k such that k-1 and k+1 are each the product of exactly 7 primes, counted with multiplicity.

A157487

Numbers k such that k-1 and k+1 are each the product of exactly 7 primes, counted with multiplicity.

Terms

    a(0) =10529a(1) =15391a(2) =17983a(3) =18751a(4) =22049a(5) =23489a(6) =24751a(7) =26081a(8) =29249a(9) =32561a(10) =35153a(11) =43471a(12) =49951a(13) =52975a(14) =58049a(15) =58481a(16) =67229a(17) =67231a(18) =70687a(19) =71873a(20) =72415a(21) =76049a(22) =77921a(23) =79001a(24) =79649a(25) =82783a(26) =83249a(27) =85751a(28) =88289a(29) =93799

External references