Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 7 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.
A166057
Integers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) obtains value zero exactly 7 times, when u ranges from 1 to (4n+3). Here J(i,k) is the Jacobi symbol.
Terms
- a(0) =415a(1) =1639a(2) =2359a(3) =3995a(4) =5191a(5) =5459a(6) =7567a(7) =7811a(8) =8315a(9) =8459a(10) =8479a(11) =9611a(12) =9895a(13) =9943a(14) =11159a(15) =12271a(16) =12731a(17) =12851a(18) =13835a(19) =14447a(20) =15155a(21) =15251a(22) =16091a(23) =17891a(24) =18143a(25) =18319a(26) =21059a(27) =21755a(28) =23055a(29) =23411
External references
- oeis: A166057