Starts of runs of 4 consecutive positive negabinary-Niven numbers (A331728).

Terms

a(0) =1a(1) =1264a(2) =2104a(3) =2944a(4) =4624a(5) =11888a(6) =23768a(7) =27312a(8) =27728a(9) =31688a(10) =35648a(11) =49144a(12) =51488a(13) =55448a(14) =56704a(15) =58384a(16) =60072a(17) =63424a(18) =65104a(19) =66784a(20) =70144a(21) =71288a(22) =75248a(23) =76452a(24) =79208a(25) =81904a(26) =87128a(27) =91088a(28) =92832a(29) =99008