A130598 - OEIS

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A130598

A shell geometric model of the nucleus. The location of the magic numbers. A triangle.

10, 1111, 10, 111111, 11, 1110, 11111110, 1111, 11, 111111, 1111111110, 111111, 11, 1111, 11111111, 111111111110, 11111111, 1111, 11, 111111, 1111111111, 11111111111110, 1111111111, 111111, 11, 1111, 11111111, 111111111111 (list; table; graph; refs; listen; history; internal format)

	OFFSET	`1,1`
	COMMENTS	`The magic numbers of the atomic nucleus: 2, 8, 20, 28, 50, 82, 126. 0 is the location of a magic number. 10 or 11 is equal to 2 protons (or neutrons). 1110 or 1111 is equal to 2+2 protons (or neutrons). 111111 is equal to 2+2+2 protons (or neutrons)... The 2D model is a triangle and a spiral. The 3D model is a double tetrahedron and a double spiral.`
	EXAMPLE	`......\|----------------------- h -------------------\|.....` `......\|.....\|----------------- g --------------\|....\|.....` `......\|.....\|.....\|----------- f ---------\|....\|....\|.....` `......\|.....\|.....\|....\|------ d -----\|...\|....\|....\|.....` `......\|.....\|.....\|....\|...\|-- p -\|...\|...\|....\|....\|.....` `......\|.....\|.....\|....\|...\|.. s .\|...\|...\|....\|....\|.....` `......\|.....\|.....\|....\|...\|......\|...\|...\|....\|....\|.....` `......\|.....\|.....\|....\|......10......\|...\|....\|....\|.....` `......\|.....\|.....\|......1111....10.......\|....\|....\|.....` `......\|.....\|.......111111....11....1110.......\|....\|.....` `......\|........11111110..1111....11....111111.......\|.....` `.......1111111110...111111....11....1111...11111111.\|.....` `111111111110...11111111..1111....11....111111...1111111111` `......\|.....\|.....\|....\|...\|..\|...\|...\|...\|....\|....\|.....` `......\|.....\|.....\|....\|...\|..\|1/2\|...\|...\|....\|....\|.....` `......\|.....\|.....\|....\|...\|-- 3/2 ---\|...\|....\|....\|.....` `......\|.....\|.....\|....\|------ 5/2 -------\|....\|....\|.....` `......\|.....\|.....\|----------- 7/2 ------------\|....\|.....` `......\|.....\|----------------- 9/2 -----------------\|.....` `......\|---------------------- 11/2 -----------------------`
	CROSSREFS	`Cf. A056951, A130517, A130556, A130602.` `Sequence in context: A001391 A049064 A015026 * A027879 A194497 A015108` `Adjacent sequences: A130595 A130596 A130597 * A130599 A130600 A130601`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Omar E. Pol (polnucleus(AT)gmail.com), Aug 10 2007`

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Last modified February 17 08:21 EST 2012. Contains 205998 sequences.