cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

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.

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%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, <a href="/A166348/b166348.txt">Flattened triangle read by rows as table of n, a(n) for n = 1:495510 (j = 1:995)</a>.
%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