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A112048 Bisection of A112046. 4
2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 7, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 11, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 13, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 7, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 17, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2, 19, 2, 3, 2, 3, 2, 5, 2, 3, 2, 3, 2 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
a(n) = A112046(2n).
MATHEMATICA
a112046[n_]:=Block[{i=1}, While[JacobiSymbol[i, 2n + 1]==1, i++]; i]; Table[a112046[2n] , {n, 101}] (* Indranil Ghosh, May 24 2017 *)
PROG
(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)
print([a(n) for n in range(1, 102)]) # Indranil Ghosh, May 24 2017
CROSSREFS
Sequence in context: A053669 A342309 A112047 * A060395 A016026 A086757
KEYWORD
nonn
AUTHOR
Antti Karttunen, Aug 27 2005
STATUS
approved

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Last modified May 27 11:27 EDT 2024. Contains 372858 sequences. (Running on oeis4.)