Numbers k such that k-th and (k+1)-st term of A038593 differ by 8.

Terms

a(0) =20a(1) =41a(2) =86a(3) =113a(4) =130a(5) =150a(6) =217a(7) =267a(8) =285a(9) =301a(10) =452a(11) =453a(12) =460a(13) =489a(14) =532a(15) =557a(16) =577a(17) =587a(18) =665a(19) =671a(20) =764a(21) =821a(22) =990a(23) =1009a(24) =1024a(25) =1059a(26) =1081a(27) =1271a(28) =1291a(29) =1299