Counterclockwise square spiral constructed using the integers so that a(n) plus all other numbers currently visible from the current number equals n; start with a(0) = 0.
A357985
Counterclockwise square spiral constructed using the integers so that a(n) plus all other numbers currently visible from the current number equals n; start with a(0) = 0.
Terms
- a(0) =0a(1) =1a(2) =1a(3) =1a(4) =2a(5) =1a(6) =3a(7) =-1a(8) =6a(9) =-2a(10) =-1a(11) =0a(12) =1a(13) =9a(14) =-8a(15) =15a(16) =-5a(17) =-7a(18) =-10a(19) =14a(20) =-29a(21) =58a(22) =-78a(23) =101a(24) =-118a(25) =150a(26) =-61a(27) =309a(28) =-307a(29) =553
External references
- oeis: A357985