Remoteness number of n in Simon Norton's game of Tribulations.

Terms

a(0) =0a(1) =1a(2) =2a(3) =1a(4) =6a(5) =3a(6) =1a(7) =5a(8) =3a(9) =2a(10) =1a(11) =2a(12) =3a(13) =4a(14) =3a(15) =1a(16) =9a(17) =3a(18) =6a(19) =7a(20) =8a(21) =1a(22) =10a(23) =3a(24) =2a(25) =3a(26) =4a(27) =5a(28) =1a(29) =4