cp's OEIS Frontend

A338034 Multiplication table of A337656, read by antidiagonals.

%I A338034 #11 Oct 09 2020 03:36:04
%S A338034 0,0,0,0,1,0,0,3,3,0,0,7,9,7,0,0,12,21,21,12,0,0,20,36,49,36,20,0,0,
%T A338034 30,60,84,84,60,30,0,0,44,90,140,144,140,90,44,0,0,65,132,210,240,240,
%U A338034 210,132,65,0,0,91,195,308,360,400,360,308,195,91,0
%N A338034 Multiplication table of A337656, read by antidiagonals.
%H A338034 Peter Kagey, <a href="/A338034/b338034.txt">Table of n, a(n) for n = 1..10011</a> (first 141 antidiagonals, flattened)
%e A338034 Multiplication table begins:
%e A338034    * | 0  1   3   7  12   20   30   44   65
%e A338034 -----+-------------------------------------
%e A338034    0 | 0  0   0   0   0    0    0    0    0
%e A338034    1 | 0  1   3   7  12   20   30   44   65
%e A338034    3 | 0  3   9  21  36   60   90  132  195
%e A338034    7 | 0  7  21  49  84  140  210  308  455
%e A338034   12 | 0 12  36  84 144  240  360  528  780
%e A338034   20 | 0 20  60 140 240  400  600  880 1300
%e A338034   30 | 0 30  90 210 360  600  900 1320 1950
%e A338034   44 | 0 44 132 308 528  880 1320 1936 2860
%e A338034   65 | 0 65 195 455 780 1300 1950 2860 4225
%Y A338034 Cf. A337656, A337657, A338032 (addition table), A338033 (by rows).
%Y A338034 Cf. A337662, A337975, A338017.
%K A338034 nonn,tabl
%O A338034 1,8
%A A338034 _Peter Kagey_, Oct 07 2020