A112079 Odd numbers k for which 23 is the smallest positive i with Jacobi symbol J(i,k) != 1.

529, 10559, 15791, 34271, 39959, 50951, 53231, 53881, 65159, 69599, 82871, 85801, 86641, 88079, 88919, 92039, 92569, 97919, 102001, 113879, 117121, 123191, 128519, 129191, 130729, 138311, 142271, 144169, 152591, 157249, 158759, 164641, 166319, 166609, 167879

Offset: 1

Author

Antti Karttunen, Aug 27 2005

Keywords

• nonn

Links

• Andy Huchala, Table of n, a(n) for n = 1..20000

Crossrefs

Row 9 of A112070.

a(n) = 2*A112069(n) + 1.

Programs

Sage

ls = []
for c in range(1, 10^5, 2):
    for i in range(1, 24):
        if jacobi_symbol(i, c) <= 0:
            if i < 23:
                break
            else:
                ls.append(c)
print(ls) # Andy Huchala, Feb 11 2023

Extensions

a(31)-a(35) from Andy Huchala, Feb 10 2023

Name simplified by Sean A. Irvine, Feb 25 2023