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Search: id:A137583
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| A137583 |
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Number of elements in the n-th period of the Janet periodic table of elements. |
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+0
8
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OFFSET
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1,1
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COMMENT
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Essentially 2 followed by the first terms of A093907.
This puts Hydrogen and Helium in the first row, Lithium and Beryllium into
the second, Boron to Magnesium into the third etc.
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LINKS
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Albert Tarantola, PSE of Elements (Janet form).
Anonymous, Janet periodic table, Web Elements Chemistry Nexus
Anonymous, Periodic Table: Formulations, Chemogenesis web book
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CROSSREFS
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Cf. A137508, A137575.
Adjacent sequences: A137580 A137581 A137582 this_sequence A137584 A137585 A137586
Sequence in context: A072576 A060818 A082887 this_sequence A099328 A073090 A120544
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KEYWORD
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nonn,less,fini,full
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AUTHOR
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Paul Curtz (bpcrtz(AT)free.fr), Apr 26 2008
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EXTENSIONS
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Edited by R. J. Mathar (mathar(AT)strw.leidenuniv.nl), Oct 02 2009
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