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 A166348 Irregular triangle read by rows giving the frequency with which each nonzero value v of floor (j^2/p) occurs within A165974 for each j, taken over all primes p. 1
 1, 2, 0, 2, 1, 1, 4, 1, 1, 0, 4, 2, 1, 0, 1, 6, 3, 1, 1, 0, 0, 7, 3, 2, 1, 1, 0, 0, 10, 3, 1, 2, 0, 1, 1, 0, 10, 4, 2, 1, 2, 0, 1, 0, 1, 13, 5, 2, 1, 1, 1, 1, 0, 1, 0, 14, 5, 4, 2, 0, 1, 1, 1, 0, 0, 1, 16, 7, 3, 2, 2, 0, 1, 1, 1, 0, 0, 0, 19, 7, 3, 3, 1, 2, 0, 1, 0, 1, 1, 0, 0 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,2 LINKS C. H. Gribble, Flattened triangle read by rows as table of n, a(n) for n = 1:495510 (j = 1:995). EXAMPLE Part of the irregular triangle from which the sequence is constructed is shown below. ....v...1..2..3..4..5..6..7..8..9.10.11.12.13 ..j ..1..... ..2.....1 ..3.....2..0 ..4.....2..1..1 ..5.....4..1..1..0 ..6.....4..2..1..0..1 ..7.....6..3..1..1..0..0 ..8.....7..3..2..1..1..0..0 ..9....10..3..1..2..0..1..1..0 .10....10..4..2..1..2..0..1..0..1 .11....13..5..2..1..1..1..1..0..1..0 .12....14..5..4..2..0..1..1..1..0..0..1 .13....16..7..3..2..2..0..1..1..1..0..0..0 .14....19..7..3..3..1..2..0..1..0..1..1..0..0 CROSSREFS Cf. A165974 Sequence in context: A037012 A112467 A112466 * A294658 A127543 A353237 Adjacent sequences: A166345 A166346 A166347 * A166349 A166350 A166351 KEYWORD nonn,tabf AUTHOR Christopher Hunt Gribble, Oct 12 2009 EXTENSIONS Minor corrections by Christopher Hunt Gribble, Dec 13 2009 STATUS approved

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Last modified July 18 06:54 EDT 2024. Contains 374377 sequences. (Running on oeis4.)