id:A138137 - OEIS Search Results

Search: id:A138137

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First differences of A006128.

+0
13

1, 2, 3, 6, 8, 15, 19, 32, 42, 64, 83, 124, 157, 224, 288, 395, 502, 679, 854, 1132, 1422, 1847, 2307, 2968, 3677, 4671, 5772, 7251, 8908, 11110, 13572, 16792, 20439, 25096, 30414, 37138, 44798, 54389, 65386, 78959, 94558, 113687, 135646, 162375, 193133 (list; graph; listen)

	OFFSET	`1,2`
	COMMENT	`Number of parts of the outer shell of the partitions of n. (See A135010, A138138.)`
	FORMULA	`a(n)=A006128(n)-A006128(n-1).`
	CROSSREFS	`Cf. A006128, A135010, A138138.` `Sequence in context: A097097 A095162 A075723 this_sequence A129374 A048809 A047001` `Adjacent sequences: A138134 A138135 A138136 this_sequence A138138 A138139 A138140`
	KEYWORD	`easy,nonn`
	AUTHOR	`Omar E. Pol (info(AT)polprimos.com), Mar 18 2008`

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Last modified September 5 01:44 EDT 2008. Contains 143476 sequences.

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