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A253588 Upward antidiagonals of array of all multiples of primorial(n), for each n>0.

%I A253588 #6 Jan 05 2015 03:40:28
%S A253588 2,6,4,30,12,6,210,60,18,8,2310,420,90,24,10,30030,4620,630,120,30,12,
%T A253588 510510,60060,6930,840,150,36,14,9699690,1021020,90090,9240,1050,180,
%U A253588 42,16,223092870,19399380,1531530,120120,11550,1260,210,48,18
%N A253588 Upward antidiagonals of array of all multiples of primorial(n), for each n>0.
%F A253588 a(n,k) = k*A002110(n), n>0.
%F A253588 a(n,n) = A250130(n).
%e A253588 Array starts:
%e A253588 {    2,     4,     6,      8,     10,     12,     14,     16,     18, ...}
%e A253588 {    6,    12,    18,     24,     30,     36,     42,     48,     54, ...}
%e A253588 {   30,    60,    90,    120,    150,    180,    210,    240,    270, ...}
%e A253588 {  210,   420,   630,    840,   1050,   1260,   1470,   1680,   1890, ...}
%e A253588 { 2310,  4620,  6930,   9240,  11550,  13860,  16170,  18480,  20790, ...}
%e A253588 {30030, 60060, 90090, 120120, 150150, 180180, 210210, 240240, 270270, ...}
%t A253588 Flatten[Table[k*Product[Prime[j], {j, n - k + 1}], {n, 9}, {k, n}]]
%Y A253588 Cf. A000040 (primes), A002110 (primorials).
%K A253588 nonn,tabl
%O A253588 1,1
%A A253588 _L. Edson Jeffery_, Jan 04 2015