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A080529
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Number of nucleons in longest known radioactive decay series ending with Lead 206 ("uranium series"), reversed.
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5
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206, 206, 206, 210, 210, 214, 214, 218, 222, 226, 230, 234, 238, 242, 242, 246, 250, 254, 258, 262, 266
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OFFSET
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0,1
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COMMENTS
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The numbers are all equivalent to 2 mod 4. The sequence was submitted reversed, as it is open in the past. It is unknown if reversed decay series are finite (the "island of stability" hypothesis).
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LINKS
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FORMULA
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CROSSREFS
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KEYWORD
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nonn,hard
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AUTHOR
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STATUS
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approved
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