id:A080534 - OEIS Search Results

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Number of protons in longest known radioactive decay series ending with Lead 207 ("actinium series"), reversed.

+0
6

82, 81, 83, 82, 84, 83, 85, 87, 89, 88, 90, 92, 94, 96, 98, 100, 102, 104, 106, 108, 110 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`See comments in A080530, neutrons are in A080538.`
	LINKS	`C. Heilman, The Pictorial Periodic Table`
	FORMULA	`a(n)=A080530(n)-A080538(n).`
	CROSSREFS	`Cf. A080533, A080535, A080536.` `Sequence in context: A033402 A038008 A080533 this_sequence A080535 A080536 A043632` `Adjacent sequences: A080531 A080532 A080533 this_sequence A080535 A080536 A080537`
	KEYWORD	`nonn,hard`
	AUTHOR	`Ralf Stephan (ralf(AT)ark.in-berlin.de), Feb 20 2003`

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Last modified July 24 12:00 EDT 2008. Contains 142294 sequences.