a(n) = a(m) if a(m) has already occurred exactly once and n = a(m) + m + 2, else a(n) = least positive integer that has not yet occurred.
A026276
a(n) = a(m) if a(m) has already occurred exactly once and n = a(m) + m + 2, else a(n) = least positive integer that has not yet occurred.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =1a(4) =4a(5) =2a(6) =5a(7) =3a(8) =6a(9) =7a(10) =4a(11) =8a(12) =9a(13) =5a(14) =10a(15) =11a(16) =6a(17) =12a(18) =7a(19) =13a(20) =14a(21) =8a(22) =15a(23) =9a(24) =16a(25) =17a(26) =10a(27) =18a(28) =11a(29) =19
External references
- oeis: A026276