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 A165252 Triangle read by rows: Frequency with which the values of cos(2*pi/k) mod j, listed in A164823, occurs for each j >= 1, taken over k = 1:j-1. 6
 0, 0, 1, 0, 2, 1, 0, 3, 0, 1, 0, 4, 1, 0, 2, 0, 5, 2, 1, 2, 2, 0, 6, 0, 2, 1, 0, 3, 0, 7, 1, 3, 1, 3, 1, 3, 0, 8, 1, 2, 2, 1, 2, 2, 4, 0, 9, 1, 1, 4, 2, 4, 3, 1, 4, 0, 10, 1, 0, 1, 3, 1, 2, 0, 2, 5 (list; table; graph; refs; listen; history; text; internal format)
 OFFSET 1,5 COMMENTS The triangle of numbers is: ..j....Frequency of values over k .......0..1..2..3..4..5..6..7..8..9..10 ..1....0 ..2....0..1 ..3....0..2..1 ..4....0..3..0..1 ..5....0..4..1..0..2 ..6....0..5..2..1..2..2 ..7....0..6..0..2..1..0..3 ..8....0..7..1..3..1..3..1..3 ..9....0..8..1..2..2..1..2..2..4 .10....0..9..1..1..4..2..4..3..1..4 .11....0.10..1..0..1..3..1..2..0..2..5 LINKS C. H. Gribble, Flattened triangle, for j = 1:100 and k = 1:j-1. PROG (Other) The FORTRAN program used to generate this sequence is too complex to be listed here. CROSSREFS Cf: A164822, A164823, A164831, A164846. Sequence in context: A157409 A245960 A178616 * A127373 A200123 A187616 Adjacent sequences:  A165249 A165250 A165251 * A165253 A165254 A165255 KEYWORD nonn,tabl AUTHOR Christopher Hunt Gribble, Sep 10 2009 STATUS approved

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Last modified February 19 10:23 EST 2019. Contains 320310 sequences. (Running on oeis4.)