login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A235229 Numbers whose sum of digits is 20. 31
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)

a235229 n = a235229_list !! (n-1)

a235229_list = filter ((== 20) . a007953) [0..]

-- Reinhard Zumkeller, Jul 17 2014

CROSSREFS

Cf. A052217 - A052224, A143164, A166311, A166370, A166459.

Cf. A011557 (1), A052216 (2), A052217 (3), A052218 (4), A052219 (5), A052220 (6), A052221 (7), A052222 (8), A052223 (9), A052224 (10), A166311 (11), A235151 (12), A143164 (13), A235225(14), A235226 (15), A235227 (16), A166370 (17), A235228 (18), A166459 (19).

Cf. A242614, A242627.

Sequence in context: A129037 A249296 A245956 * A064908 A105990 A160484

Adjacent sequences:  A235226 A235227 A235228 * A235230 A235231 A235232

KEYWORD

base,nonn

AUTHOR

Vincenzo Librandi, Jan 05 2014

STATUS

approved

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified February 21 10:49 EST 2019. Contains 320372 sequences. (Running on oeis4.)