A058318 Number of energy levels in atoms of n-th element of periodic table.

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

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