Number of different absolute values of vector sums generated by n vectors chosen from 2n (equally spaced) points around the unit circle. Dipole moments of n positive and n negative equally spaced charges on a circle.
A077078
Number of different absolute values of vector sums generated by n vectors chosen from 2n (equally spaced) points around the unit circle. Dipole moments of n positive and n negative equally spaced charges on a circle.
Terms
- a(0) =1a(1) =2a(2) =3a(3) =6a(4) =11a(5) =20a(6) =53a(7) =130a(8) =196a(9) =725a(10) =1990a(11) =2437a(12) =14466a(13) =38697a(14) =18878
External references
- oeis: A077078