A114595 - OEIS

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A114595

Triangle of the numbers of unique-valued sequences of all lengths (from 1 to 2n-1) consisted from unit matrices (="matrix units") of order n.

1, 4, 6, 4, 9, 24, 48, 60, 30, 16, 60, 192, 480, 840, 840, 336, 25, 120, 520, 1920, 5700, 12600, 18480, 15120, 5040, 36, 210, 1140, 5520, 22920, 78120, 206640, 393120, 483840, 332640, 95040 (list; table; graph; refs; listen; history; internal format)

	OFFSET	`1,2`
	COMMENTS	`First entry of each row is obviously n^2 and the last entries of each row are the sequence A001761.`
	LINKS	`A. Blazhevski and P. Sokoloski, Conceptual Introduction to Unique-valued Sequences, Proceedings of the III Congress of Mathematicians of Macedonia (2005), preprint.` `Aleksandar Blazhevski - Cane, First 10 rows`
	EXAMPLE	`T(n,1)=a(n^2-2n)=n^2`
	CROSSREFS	`Cf. A097635, A001761.` `Sequence in context: A088739 A088740 A088738 * A143545 A143521 A123969` `Adjacent sequences: A114592 A114593 A114594 * A114596 A114597 A114598`
	KEYWORD	`nonn,tabl`
	AUTHOR	`Aleksandar Blazhevski - Cane (CaneB(AT)MT.Net.Mk), Dec 12 2005`

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Last modified February 17 11:46 EST 2012. Contains 206011 sequences.