id:A051137 - OEIS Search Results

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Table T(n,k) read by antidiagonals: number of necklaces allowing turnovers (bracelets) with n beads of k colors.

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1, 1, 1, 1, 2, 1, 1, 3, 3, 1, 1, 4, 6, 4, 1, 1, 6, 10, 10, 5, 1, 1, 8, 21, 20, 15, 6, 1, 1, 13, 39, 55, 35, 21, 7, 1, 1, 18, 92, 136, 120, 56, 28, 8, 1, 1, 30, 198, 430, 377, 231, 84, 36, 9, 1, 1, 46, 498, 1300, 1505, 888, 406, 120, 45, 10, 1 (list; table; graph; listen)

	OFFSET	`0,5`
	LINKS	`C. G. Bower, Transforms (2)`
	EXAMPLE	`Table begins:` `1 1 1 1 1 1 1 1 1 1` `1 2 3 4 5 6 7 8 9` `1 3 6 10 15 21 28 36` `1 4 10 20 35 56 84` `1 6 21 55 120 231` `1 8 39 136 377` `1 13 92 430` `1 18 198`
	CROSSREFS	`Columns give bracelet sequences A000029, A027671, A032275 etc. while rows include A000217, A000292, A002817 and A027670.` `Cf. A000031.` `Cf. A081720, A081721.` `Sequence in context: A119724 A162424 A008571 this_sequence A034328 A034253 A118687` `Adjacent sequences: A051134 A051135 A051136 this_sequence A051138 A051139 A051140`
	KEYWORD	`nice,nonn,tabl`
	AUTHOR	`Alford Arnold (Alford1940(AT)Aol.com)`

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Last modified December 18 21:37 EST 2009. Contains 171024 sequences.

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