Write 0,1,2,... in a clockwise spiral on a square lattice, writing each digit at a separate lattice point, starting with 0 at the origin and 1 at x=0, y=-1; sequence gives the numbers on the positive x-axis.
A033953
Write 0,1,2,... in a clockwise spiral on a square lattice, writing each digit at a separate lattice point, starting with 0 at the origin and 1 at x=0, y=-1; sequence gives the numbers on the positive x-axis.
Terms
- a(0) =0a(1) =7a(2) =1a(3) =7a(4) =4a(5) =2a(6) =8a(7) =1a(8) =1a(9) =3a(10) =1a(11) =2a(12) =0a(13) =2a(14) =3a(15) =1a(16) =3a(17) =4a(18) =6a(19) =5a(20) =5a(21) =5a(22) =7a(23) =7a(24) =8a(25) =8a(26) =9a(27) =6a(28) =8a(29) =1
External references
- oeis: A033953