Number of lines that intersect the first n points on a spiral on a triangular lattice. The spiral starts at (0,0), goes to (1,0) and (1/2, sqrt(3)/2) and continues counterclockwise.
A036496
Number of lines that intersect the first n points on a spiral on a triangular lattice. The spiral starts at (0,0), goes to (1,0) and (1/2, sqrt(3)/2) and continues counterclockwise.
Terms
- a(0) =0a(1) =3a(2) =5a(3) =6a(4) =7a(5) =8a(6) =9a(7) =9a(8) =10a(9) =11a(10) =11a(11) =12a(12) =12a(13) =13a(14) =13a(15) =14a(16) =14a(17) =15a(18) =15a(19) =15a(20) =16a(21) =16a(22) =17a(23) =17a(24) =17a(25) =18a(26) =18a(27) =18a(28) =19a(29) =19
External references
- oeis: A036496