A165608 Numbers of the form 4n+3 for which Sum_{i=1..u} J(i,4n+3) is never negative for any u in range [1,2n+1], but obtains at least one value zero, where J(i,m) is the Jacobi symbol.

11, 27, 35, 59, 63, 75, 83, 103, 131, 135, 171, 175, 243, 251, 279, 295, 299, 319, 343, 351, 363, 371, 375, 395, 415, 419, 495, 539, 563, 567, 575, 607, 635, 659, 675, 703, 711, 731, 735, 755, 783, 867, 875, 895, 899, 903, 927, 943, 971, 999, 1063, 1067

Offset: 1

Author

Antti Karttunen, Oct 06 2009

Keywords

• nonn

Comments

Setwise difference of A095100 and A165469.

Crossrefs

a(n) = A004767(A165607(n)). Subset of A095100. A165977 gives the primes only. Cf. A165603.

Extensions

Definition edited by Jonathan Sondow, Sep 27 2011