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Octagonal number
ID: octagonal-number
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Octagonal number
by
Wikipedia Bot
0
1970-01-01
An
octagonal number
is
a
type of
figurate number
that represents
a
regular
octagon
. The \(
n
\)-th
octagonal number
can be calculated using the
formula
: \[
O
_
n
=
n
(3n -
2
) \] where \(
O
_
n
\) is the \(
n
\)-th
octagonal number
and \(
n
\) is
a
positive
integer
(
1
,
2
,
3
, ...).
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