cp's OEIS Frontend

A338017 Multiplication table of A338012, read by antidiagonals.

%I A338017 #11 Oct 09 2020 03:35:48
%S A338017 0,0,0,0,9,0,0,12,12,0,0,30,16,30,0,0,54,40,40,54,0,0,69,72,100,72,69,
%T A338017 0,0,102,92,180,180,92,102,0,0,165,136,230,324,230,136,165,0,0,201,
%U A338017 220,340,414,414,340,220,201,0,0,279,268,550,612,529,612,550,268,279,0
%N A338017 Multiplication table of A338012, read by antidiagonals.
%H A338017 Peter Kagey, <a href="/A338017/b338017.txt">Table of n, a(n) for n = 1..10011</a> (first 141 antidiagonals, flattened)
%e A338017 Multiplication table begins:
%e A338017    * | 0   3   4  10   18   23   34   55   67
%e A338017 -----+---------------------------------------
%e A338017    0 | 0   0   0   0    0    0    0    0    0
%e A338017    3 | 0   9  12  30   54   69  102  165  201
%e A338017    4 | 0  12  16  40   72   92  136  220  268
%e A338017   10 | 0  30  40 100  180  230  340  550  670
%e A338017   18 | 0  54  72 180  324  414  612  990 1206
%e A338017   23 | 0  69  92 230  414  529  782 1265 1541
%e A338017   34 | 0 102 136 340  612  782 1156 1870 2278
%e A338017   55 | 0 165 220 550  990 1265 1870 3025 3685
%e A338017   67 | 0 201 268 670 1206 1541 2278 3685 4489
%Y A338017 Cf. A338012, A338015 (addition table), A338016 (by rows).
%Y A338017 Cf. A337662, A337975.
%K A338017 nonn,tabl
%O A338017 1,5
%A A338017 _Peter Kagey_, Oct 06 2020