a(0) = 0; a(1)=1; for n>1, a(n) = least positive integer m not among a(1),...,a(n-1) such that |m-a(n-1)| > |a(n-1)-a(n-2)|.

A078783

a(0) = 0; a(1)=1; for n>1, a(n) = least positive integer m not among a(1),...,a(n-1) such that |m-a(n-1)| > |a(n-1)-a(n-2)|.

Terms

    a(0) =0a(1) =1a(2) =3a(3) =6a(4) =2a(5) =7a(6) =13a(7) =4a(8) =14a(9) =25a(10) =5a(11) =26a(12) =48a(13) =8a(14) =49a(15) =91a(16) =9a(17) =92a(18) =176a(19) =10a(20) =177a(21) =345a(22) =11a(23) =346a(24) =682a(25) =12a(26) =683a(27) =1355a(28) =15a(29) =1356

External references