id:A130556 - OEIS Search Results

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A model of the atomic nucleus (Shell model of nucleus). A triangle.

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1, 11, 1, 111, 1, 11, 1111, 11, 1, 111, 11111, 111, 1, 11, 1111, 111111, 1111, 11, 1, 111, 11111, 1111111, 11111, 111, 1, 11, 1111, 111111, 11111111, 111111, 1111, 11, 1, 111, 11111, 1111111 (list; table; graph; listen)

	OFFSET	`1,2`
	COMMENT	`1 is equal to 2 protons, 11 is equal to 2+2 protons, 111 is equal to 2+2+2 protons...` `Repunit numbers represent the subshells.`
	EXAMPLE	`A geometric model of the shell structure of nucleus:` `...\|----------------------.i.----------------------\|` `...\|...\|------------------.h.------------------\|...\|` `...\|...\|...\|--------------.g.--------------\|...\|...\|` `...\|...\|...\|...\|----------.f.----------\|...\|...\|...\|` `...\|...\|...\|...\|...\|------.d.------\|...\|...\|...\|...\|` `...\|...\|...\|...\|...\|...\|--.p.--\|...\|...\|...\|...\|...\|` `...\|...\|...\|...\|...\|...\|...s...\|...\|...\|...\|...\|...\|` `...\|...\|...\|...\|...\|...\|...\|...\|...\|...\|...\|...\|...\|` `...\|...\|...\|...\|...\|...\|.......\|...\|...\|...\|...\|...\|` `...\|...\|...\|...\|...\|.......1.......\|...\|...\|...\|...\|` `...\|...\|...\|...\|......11.......1.......\|...\|...\|...\|` `...\|...\|...\|......111......1......11.......\|...\|...\|` `...\|...\|.....1111.....11.......1......111......\|...\|` `...\|.....11111....111......1......11.....1111......\|` `....111111...1111.....11.......1......111....11111....` `1111111..11111....111......1......11.....1111...111111` `......................................................` `...\|...\|...\|...\|...\|...\|...\|...\|...\|...\|...\|...\|...\|` `...\|...\|...\|...\|...\|...\|...\|1/2\|...\|...\|...\|...\|...\|` `...\|...\|...\|...\|...\|...\|----3/2----\|...\|...\|...\|...\|` `...\|...\|...\|...\|...\|--------5/2--------\|...\|...\|...\|` `...\|...\|...\|...\|------------7/2------------\|...\|...\|` `...\|...\|...\|----------------9/2----------------\|...\|` `...\|...\|-------------------11/2--------------------\|` `...\|----------------------.13/2.--------------------`
	CROSSREFS	`Cf. A056951, A130517, A130598, A130602.` `Adjacent sequences: A130553 A130554 A130555 this_sequence A130557 A130558 A130559` `Sequence in context: A086994 A104490 A038713 this_sequence A120449 A101623 A038315`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Omar E. Pol (polnucleus(AT)gmail.com), Aug 09 2007, Aug 12 2007`

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Last modified October 7 14:39 EDT 2008. Contains 144666 sequences.

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