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 A063997 Multiples of 4 whose digits add to 4. 19
 4, 40, 112, 220, 400, 1012, 1120, 1300, 2020, 2200, 3100, 4000, 10012, 10120, 10300, 11020, 11200, 12100, 13000, 20020, 20200, 21100, 22000, 30100, 31000, 40000, 100012, 100120, 100300, 101020, 101200, 102100, 103000, 110020, 110200, 111100 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Harry J. Smith and Alois P. Heinz, Table of n, a(n) for n = 1..10000 (first 218 terms from Harry J. Smith) EXAMPLE 4 is an element of the sequence, since 4 is a multiple of 4 the sum of whose digits is 4; 220 is an element of the sequence, since 220 = 4*55 and 2 + 2+ 0 = 4. MATHEMATICA Select[4Range[120000], Total[IntegerDigits[#]]==4&] (* Harvey P. Dale, May 07 2011 *) PROG (PARI) SumDE(x, y)= { local(s); s=0; while (x>9 && s

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Last modified October 19 13:01 EDT 2019. Contains 328222 sequences. (Running on oeis4.)