Numbers k such that k-th and (k+1)-st term of A038593 differ by 5.

Terms

a(0) =5a(1) =91a(2) =322a(3) =1173a(4) =1536a(5) =4185a(6) =5131a(7) =5816a(8) =5966a(9) =6514a(10) =6988a(11) =8799a(12) =9099a(13) =10434a(14) =13003a(15) =13545a(16) =13807a(17) =14205a(18) =15597a(19) =28166a(20) =33905a(21) =36365a(22) =43682a(23) =47174a(24) =66845a(25) =66958a(26) =68785a(27) =72076a(28) =87294a(29) =90709