id:A125107 - OEIS Search Results

Search: id:A125107

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Subtract compositions (A011782) from Catalan numbers (A000108).

+0
1

0, 0, 0, 1, 6, 26, 100, 365, 1302, 4606, 16284, 57762, 205964, 738804, 2666248, 9678461 (list; graph; listen)

	OFFSET	`0,5`
	FORMULA	`A125107(n) = A000108(n) - A011772(n)`
	EXAMPLE	`A000108 begins 1 1 2 5 14 42 132 429 ...` `A011782 begins 1 1 2 4 8 16 32 64 ...` `so we get .... 0 0 0 1 6 26 100 365 ...`
	CROSSREFS	`Cf. A000079 A000108 A000110 A011782 A016098.` `Sequence in context: A137746 A005022 A094811 this_sequence A034560 A037545 A027996` `Adjacent sequences: A125104 A125105 A125106 this_sequence A125108 A125109 A125110`
	KEYWORD	`easy,nonn`
	AUTHOR	`Alford Arnold (Alford1940(AT)aol.com), Dec 15 2006`

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Last modified August 19 23:53 EDT 2008. Contains 142930 sequences.