cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A173642 A distribution of electrons. By rows whose sum is A000027 (for periodic table).

Original entry on oeis.org

1, 2, 2, 1, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 3, 2, 2, 4, 2, 2, 5, 2, 2, 6, 2, 2, 6, 1, 2, 2, 6, 2, 2, 2, 6, 2, 1, 2, 2, 6, 2, 2, 2, 2, 6, 2, 3, 2, 2, 6, 2, 4, 2, 2, 6, 2, 5, 2, 2, 6, 2, 6, 2, 2, 6, 2, 6, 1, 2, 2, 6, 2, 6, 2, 2, 2, 6, 2, 6, 1, 2
Offset: 1

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Author

Paul Curtz, Nov 24 2010

Keywords

Comments

Here, up to element 21=Sc (scandium). See the end of Science.ch (physique quantique corpusculaire); error(s) in this table. Element 117 was discovered in 2010.

Examples

			a(3)+a(4)=3, referring to the third element, Lithium.
		

References

  • JANET, Charles, Concordance de l'arrangement quantique, de base, des electrons planetaires des atomes, avec la classification scalariforme, helicoidale, des elements chimiques, Novembre 1930, N6 BEAUVAIS, 55 pages + 6 leaflets. See Planche 1.