Numbers k such that k-th and (k+1)-st term of A038593 differ by 7.

Terms

a(0) =2a(1) =8a(2) =10a(3) =16a(4) =25a(5) =34a(6) =44a(7) =55a(8) =68a(9) =75a(10) =80a(11) =84a(12) =102a(13) =106a(14) =120a(15) =133a(16) =139a(17) =160a(18) =172a(19) =184a(20) =196a(21) =208a(22) =233a(23) =239a(24) =262a(25) =279a(26) =288a(27) =290a(28) =312a(29) =320