Numbers without comma-successors: these are the numbers k such that if the commas sequence A121805 is started at k instead of 1, there is no second term.
A367341
Numbers without comma-successors: these are the numbers k such that if the commas sequence A121805 is started at k instead of 1, there is no second term.
Terms
- a(0) =18a(1) =27a(2) =36a(3) =45a(4) =54a(5) =63a(6) =72a(7) =81a(8) =918a(9) =927a(10) =936a(11) =945a(12) =954a(13) =963a(14) =972a(15) =981a(16) =9918a(17) =9927a(18) =9936a(19) =9945a(20) =9954a(21) =9963a(22) =9972a(23) =9981a(24) =99918a(25) =99927a(26) =99936a(27) =99945a(28) =99954a(29) =99963
External references
- oeis: A367341