# Greetings from The On-Line Encyclopedia of Integer Sequences! http://oeis.org/ Search: id:a166348 Showing 1-1 of 1 %I A166348 #6 Oct 12 2012 20:56:53 %S A166348 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, %T A166348 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, %U A166348 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 %N 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. %H A166348 C. H. Gribble, Flattened triangle read by rows as table of n, a(n) for n = 1:495510 (j = 1:995). %e A166348 Part of the irregular triangle from which the sequence is constructed is shown below. %e A166348 ....v...1..2..3..4..5..6..7..8..9.10.11.12.13 %e A166348 ..j %e A166348 ..1..... %e A166348 ..2.....1 %e A166348 ..3.....2..0 %e A166348 ..4.....2..1..1 %e A166348 ..5.....4..1..1..0 %e A166348 ..6.....4..2..1..0..1 %e A166348 ..7.....6..3..1..1..0..0 %e A166348 ..8.....7..3..2..1..1..0..0 %e A166348 ..9....10..3..1..2..0..1..1..0 %e A166348 .10....10..4..2..1..2..0..1..0..1 %e A166348 .11....13..5..2..1..1..1..1..0..1..0 %e A166348 .12....14..5..4..2..0..1..1..1..0..0..1 %e A166348 .13....16..7..3..2..2..0..1..1..1..0..0..0 %e A166348 .14....19..7..3..3..1..2..0..1..0..1..1..0..0 %Y A166348 Cf. A165974 %K A166348 nonn,tabf %O A166348 1,2 %A A166348 _Christopher Hunt Gribble_, Oct 12 2009 %E A166348 Minor corrections by _Christopher Hunt Gribble_, Dec 13 2009 # Content is available under The OEIS End-User License Agreement: http://oeis.org/LICENSE