A112059 Nonzero terms of A112053 and A112080.
2, -2, 4, 8, -2, 12, -6, 12, 2, -2, -6, 18, -6, 2, -6, -4, 2, -2, 18, 2, -2, 24, 6, -2, 6, -8, 4, 2, -2, -6, 32, -6, 2, -6, -10, 2, -2, 28, 2, -2, 4, 38, -2, 6, -6, 4, 2, -2, -4, 42, -6, 2, -8, -4, 2, -2, 2, -2, 6, 8, -2, 48, -6, 4, 2, -2, -10, 6, -12, 2, -6, -4, 2, -2, 2, -2, 52, 8
Offset: 1
Keywords
Links
- Antti Karttunen, Table of n, a(n) for n = 1..4096
Programs
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Python
from sympy import jacobi_symbol as J def a112046(n): i=1 while True: if J(i, 2*n + 1)!=1: return i else: i+=1 def a(n): return a112046(2*n) - a112046(2*n - 1) print([a(n) for n in range(1, 201) if a(n)!=0]) # Indranil Ghosh, May 25 2017