id:A091008 - OEIS Search Results

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Triangle T(n,k) read by rows giving number of inequivalent binary linear [n,k] codes with all columns distinct (projective codes) (n >= 1, 1 <= k <= n).

+0
3

1, 0, 1, 0, 1, 2, 0, 0, 2, 3, 0, 0, 1, 4, 5, 0, 0, 1, 5, 9, 10, 0, 0, 1, 6, 14, 19, 20, 0, 0, 0, 6, 21, 35, 41, 42, 0, 0, 0, 5, 34, 72, 94, 101, 102, 0, 0, 0, 4, 50, 155, 235, 267, 275, 276, 0, 0, 0, 3, 67, 340, 652, 803, 847, 856, 857, 0, 0, 0, 2, 91, 791, 2076, 2897 (list; table; graph; listen)

	OFFSET	`1,6`
	LINKS	`H. Fripertinger, Isometry Classes of Codes` `Index entries for sequences related to binary linear codes`
	CROSSREFS	`A076834 gives last diagonal. Running sums across rows of triangle A076833.` `Sequence in context: A153869 A128541 A122908 this_sequence A111006 A046742 A146095` `Adjacent sequences: A091005 A091006 A091007 this_sequence A091009 A091010 A091011`
	KEYWORD	`nonn,tabl`
	AUTHOR	`N. J. A. Sloane (njas(AT)research.att.com), Mar 01 2004`

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Last modified November 27 14:50 EST 2009. Contains 167570 sequences.

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