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A126061
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Number of letters in symbol for n-th element in periodic table.
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0
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1, 2, 2, 2, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 1, 1, 2, 2, 1, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 2, 2, 2, 2, 2, 2, 2
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,2
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LINKS
| Mark Winter, WebElements Periodic Table
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EXAMPLE
| H for hydrogen (one letter), He for helium (two letters), Li for lithium (two letters), Be for beryllium (two letters), B for boron (one letter), C for carbon (one letter), N for nitrogen (one letter), O for oxygen (one letter), F for fluorine (one letter), Ne for neon (two letters) etc.
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CROSSREFS
| Sequence in context: A152906 A128522 A025454 * A088496 A036602 A176166
Adjacent sequences: A126058 A126059 A126060 * A126062 A126063 A126064
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KEYWORD
| nonn,fini
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AUTHOR
| Neven Juric (neven.juric(AT)apis-it.hr), Feb 28 2007, Mar 01 2007
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