- The term
figurate number is used by
different writers for
members of
different sets of numbers,
generalizing from
triangular numbers to
different shapes...
-
Erythema (Ancient Gr****: ἐρύθημα, from Gr**** erythros 'red') is
redness of the skin or
mucous membranes,
caused by
hyperemia (increased
blood flow) in...
-
Figurate erythema is a form of
erythema (reddening of the skin) that
presents in a ring or an arc shape. An
example is
erythema marginatum.
classical types...
- This is a list of
notable integer sequences with
links to
their entries in the On-Line
Encyclopedia of
Integer Sequences. OEIS core
sequences Index to...
-
arithmetic properties of
figurate numbers, such as
deducing the
number of sides, the
different ways a
number can be
expressed as a
figurate number, and the formulation...
-
Figurate numbers...
- Michel-marie; Deza,
Elena (2012).
Figurate Numbers.
World Scientific. p. 436. ISBN 978-981-4458-53-5.
Other sources on its
figurate numbers can be
found in the...
- number, a
hexagonal number, and a
centered nonagonal number, the
fourth figurate number (after 1, 28, and 91) with that
combination of properties. It is...
- back to
Archimedes and Fibonacci. They are part of a
broader topic of
figurate numbers representing the
numbers of
points forming regular patterns within...
- combinatorics, a
centered hexagonal number, or hex number, is a
centered figurate number that
represents a
hexagon with a dot in the
center and all other...
