Starts of runs of 4 consecutive integers that are Jacobsthal-Niven numbers (A364216).

Terms

a(0) =1a(1) =42a(2) =43a(3) =2731a(4) =11605a(5) =13024a(6) =14229a(7) =25983a(8) =39390a(9) =45727a(10) =46624a(11) =47529a(12) =60073a(13) =96039a(14) =111390a(15) =131103a(16) =132010a(17) =133984a(18) =134430a(19) =140767a(20) =148180a(21) =148181a(22) =148509a(23) =174762a(24) =174763a(25) =187744a(26) =197790a(27) =237609a(28) =247114a(29) =266453