Starts of runs of 4 consecutive Niven numbers in base 3/2 (A342426).

Terms

a(0) =1649373a(1) =4029519a(2) =15281054a(3) =31906263a(4) =43387386a(5) =58198173a(6) =94468958a(7) =100084949a(8) =131393766a(9) =131986502a(10) =140282279a(11) =156786124a(12) =211004079a(13) =246960048a(14) =253000850a(15) =278206663a(16) =310135917a(17) =330168203a(18) =351204398a(19) =363280904a(20) =412296883a(21) =504736647a(22) =515831624a(23) =537255647a(24) =566300238