

A058318


Number of energy levels in atoms of nth element of periodic table.


1



1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7
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OFFSET

1,3


LINKS

Table of n, a(n) for n=1..105.
Y. Bentor, Chemical Elements.Com
M. Winter, WebElements Periodic Table


EXAMPLE

Elements 2,8,8,18,18,32,26 have 1,2,3,4,5,6,7 energy levels; The 79th term corresponds to gold of a(79)=6 energy levels with 2,8,18,32,18,1 electrons resp.


CROSSREFS

Cf. A007656, A058317.
Sequence in context: A079416 A135664 A261585 * A133878 A132292 A110656
Adjacent sequences: A058315 A058316 A058317 * A058319 A058320 A058321


KEYWORD

nonn,fini


AUTHOR

Labos Elemer, Dec 12 2000


STATUS

approved



