login
The OEIS is supported by
the many generous donors to the OEIS Foundation
.
A374180
Numbers k such that K(3 / k) != K((-1)^floor(k/2)*k / 3), where K(a/b) is the Kronecker symbol. Row 1 of
A374188
.
5
2, 10, 26, 28, 34, 44, 50, 56, 58, 74, 76, 82, 88, 92, 98, 106, 112, 122, 124, 130, 140, 146, 152, 154, 170, 172, 176, 178, 184, 188, 194, 202, 218, 220, 224, 226, 236, 242, 248, 250, 266, 268, 274, 280, 284, 290, 298, 304, 314, 316, 322, 332, 338, 344, 346
(
list
;
graph
;
refs
;
listen
;
history
;
text
;
internal format
)
OFFSET
1,1
LINKS
Table of n, a(n) for n=1..55.
PROG
(SageMath) # see
A374188
print(
A374188
_row(1, 350))
CROSSREFS
Cf.
A374188
,
A374181
,
A374182
,
A374183
,
A374184
.
Cf.
A372728
(Kronecker).
Sequence in context:
A167386
A027719
A254709
*
A069894
A045605
A294871
Adjacent sequences:
A374177
A374178
A374179
*
A374181
A374182
A374183
KEYWORD
nonn
AUTHOR
Peter Luschny
, Jun 30 2024
STATUS
approved
