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A082259 Triangle read by rows in which the n-th row contains n multiples of n with digit sum n.

%I A082259 #24 Nov 26 2019 09:05:31
%S A082259 1,2,20,3,12,21,4,40,112,220,5,50,140,230,320,6,24,42,60,114,132,7,70,
%T A082259 133,322,511,700,1015,8,80,152,224,440,512,800,1016,9,18,27,36,45,54,
%U A082259 63,72,81,190,280,370,460,550,640,730,820,910,1090,209,308,407,506,605,704,803,902,2090,3080,4070
%N A082259 Triangle read by rows in which the n-th row contains n multiples of n with digit sum n.
%H A082259 Alois P. Heinz, <a href="/A082259/b082259.txt">Rows n = 1..100, flattened</a>
%e A082259 Triangle begins:
%e A082259 1
%e A082259 2, 20;
%e A082259 3, 12,  21;
%e A082259 4, 40, 112, 220;
%e A082259 5, 50, 140, 230, 320;
%e A082259 6, 24,  42,  60, 114, 132;
%e A082259 7, 70, 133, 322, 511, 700, 1015;
%e A082259 8, 80, 152, 224, 440, 512,  800, 1016;
%e A082259 9, 18,  27,  36,  45,  54,   63,   72,  81;
%t A082259 Table[Take[Select[n Range[10000],Total[IntegerDigits[#]]==n&],n],{n,20}] // Flatten (* _Harvey P. Dale_, Sep 16 2019 *)
%Y A082259 Cf. A082260, A082261, A082262, A082263, A002998.
%K A082259 base,nonn,tabl,look
%O A082259 1,2
%A A082259 _Amarnath Murthy_, Apr 12 2003
%E A082259 Corrected by Anne Donovan, May 29 2003
%E A082259 Corrected and extended by _David Wasserman_, Aug 26 2004