Odd numbers > 1, not powers of primes, for which A326147(n) is equal to abs(A326146(n)).

Terms

a(0) =15a(1) =91a(2) =207a(3) =703a(4) =847a(5) =1023a(6) =1891a(7) =2701a(8) =2725a(9) =5551a(10) =12403a(11) =15043a(12) =18721a(13) =19359a(14) =38503a(15) =49141a(16) =79003a(17) =88831a(18) =104653a(19) =146611a(20) =148951a(21) =188191a(22) =218791a(23) =226801a(24) =269011a(25) =286903a(26) =346957a(27) =385003a(28) =497503a(29) =597871