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.

A338016 Triangular array read by rows: T(n,k) = A338012(n) * A338012(k) for 1 <= k <= n.

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%I A338016 #12 Oct 09 2020 03:35:40
%S A338016 0,0,9,0,12,16,0,30,40,100,0,54,72,180,324,0,69,92,230,414,529,0,102,
%T A338016 136,340,612,782,1156,0,165,220,550,990,1265,1870,3025,0,201,268,670,
%U A338016 1206,1541,2278,3685,4489,0,279,372,930,1674,2139,3162,5115,6231,8649
%N A338016 Triangular array read by rows: T(n,k) = A338012(n) * A338012(k) for 1 <= k <= n.
%H A338016 Peter Kagey, <a href="/A338016/b338016.txt">Table of n, a(n) for n = 1..10011</a> (first 141 rows, flattened)
%e A338016 Multiplication table begins:
%e A338016    * | 0   3   4  10   18   23   34   55   67
%e A338016 -----+---------------------------------------
%e A338016    0 | 0
%e A338016    3 | 0   9
%e A338016    4 | 0  12  16
%e A338016   10 | 0  30  40 100
%e A338016   18 | 0  54  72 180  324
%e A338016   23 | 0  69  92 230  414  529
%e A338016   34 | 0 102 136 340  612  782 1156
%e A338016   55 | 0 165 220 550  990 1265 1870 3025
%e A338016   67 | 0 201 268 670 1206 1541 2278 3685 4489
%Y A338016 Cf. A338012, A338014 (addition), A338017 (by antidiagonals).
%Y A338016 Cf. A337661, A337974.
%K A338016 nonn,tabl
%O A338016 1,3
%A A338016 _Peter Kagey_, Oct 06 2020