Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 3 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.
A166053
Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 3 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.
Terms
- a(0) =11a(1) =319a(2) =607a(3) =703a(4) =895a(5) =1063a(6) =1103a(7) =1135a(8) =1447a(9) =1495a(10) =2287a(11) =2383a(12) =2543a(13) =3223a(14) =3967a(15) =4255a(16) =4615a(17) =4807a(18) =5143a(19) =5207a(20) =5407a(21) =5695a(22) =5783a(23) =5983a(24) =6247a(25) =6487a(26) =6607a(27) =6799a(28) =6943a(29) =7495
External references
- oeis: A166053