A235229 - OEIS

A235229

Numbers whose sum of digits is 20.

299, 389, 398, 479, 488, 497, 569, 578, 587, 596, 659, 668, 677, 686, 695, 749, 758, 767, 776, 785, 794, 839, 848, 857, 866, 875, 884, 893, 929, 938, 947, 956, 965, 974, 983, 992, 1199, 1289, 1298, 1379, 1388, 1397, 1469, 1478, 1487, 1496, 1559, 1568, 1577, 1586

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

A007953(a(n)) = 20; number of repdigits = #{5555,44444,2222222222,1^20} = A242627(20) = 4. - Reinhard Zumkeller, Jul 17 2014

LINKS

Vincenzo Librandi, Table of n, a(n) for n = 1..1000

MATHEMATICA

Select[Range[2000], Total[IntegerDigits[#]]==20&]

PROG

(Magma) [n: n in [1..2000] | &+Intseq(n) eq 20];

(Haskell)