Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 9 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.
A166059
Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 9 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.
Terms
- a(0) =91a(1) =175a(2) =575a(3) =631a(4) =731a(5) =1175a(6) =1591a(7) =2175a(8) =2575a(9) =3059a(10) =3199a(11) =3295a(12) =3575a(13) =4175a(14) =4575a(15) =4695a(16) =5939a(17) =5959a(18) =6143a(19) =6575a(20) =7175a(21) =7259a(22) =7383a(23) =7575a(24) =7615a(25) =8175a(26) =9175a(27) =9199a(28) =9491a(29) =9575
External references
- oeis: A166059