id:A080535 - OEIS Search Results

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Number of protons in longest known radioactive decay series ending with Lead 208 ("thorium series"), reversed.

+0
6

82, 81, 83, 82, 84, 86, 88, 87, 89, 88, 90, 92, 94, 96, 98, 100, 101, 103, 105, 107, 109, 111 (list; graph; listen)

	OFFSET	`0,1`
	COMMENT	`See comments in A080531, neutrons are in A080539.`
	LINKS	`C. Heilman, The Pictorial Periodic Table`
	FORMULA	`a(n)=A080531(n)-A080539(n).`
	CROSSREFS	`Cf. A080533, A080534, A080536.` `Sequence in context: A038008 A080533 A080534 this_sequence A080536 A043632 A077684` `Adjacent sequences: A080532 A080533 A080534 this_sequence A080536 A080537 A080538`
	KEYWORD	`nonn,hard`
	AUTHOR	`Ralf Stephan (ralf(AT)ark.in-berlin.de), Feb 20 2003`

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Last modified July 6 17:22 EDT 2008. Contains 140988 sequences.