id:A141323 - OEIS Search Results

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Number of groups of order L(n).

+0
1

1, 1, 1, 2, 1, 1, 5, 1, 1, 4, 1, 1, 4, 2, 1, 9 (list; graph; listen)

	OFFSET	`0,4`
	COMMENT	`This is to A140987 as Lucas numbers A000032 are to Fibonacci numbers A000045.`
	FORMULA	`A000001(A000032(n)).`
	EXAMPLE	`a(6) = 5 because the Lucas number L(6) (starting at L(0) = 2) is 18, and there are 5 groups of order 18.`
	CROSSREFS	`Cf. A000001, A000032, A000045, A140987.` `Sequence in context: A110243 A088347 A069568 this_sequence A136789 A022661 A120292` `Adjacent sequences: A141320 A141321 A141322 this_sequence A141324 A141325 A141326`
	KEYWORD	`more,nonn`
	AUTHOR	`Jonathan Vos Post (jvospost3(AT)gmail.com), Aug 02 2008`

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Last modified December 2 15:58 EST 2008. Contains 150992 sequences.