login
The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A098892 Numbers which yield a repdigit when added to their reversal. 1
1, 2, 3, 4, 10, 11, 12, 13, 14, 15, 16, 17, 18, 20, 21, 22, 23, 24, 25, 26, 27, 30, 31, 32, 33, 34, 35, 36, 40, 41, 42, 43, 44, 45, 50, 51, 52, 53, 54, 60, 61, 62, 63, 70, 71, 72, 80, 81, 90, 111, 123, 135, 147, 209, 210, 222, 234, 246, 308, 321, 333, 345, 407, 420, 432, 444 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,2

COMMENTS

a(n) + A004086(a(n)) = A010785(k) for an appropriate k.

LINKS

Harvey P. Dale, Table of n, a(n) for n = 1..2000

Eric Weisstein's World of Mathematics, Repdigit

EXAMPLE

209 + A004086(209) = 209 + 902 = 1111 = A010785(28),

therefore 209 is a term: a(54)=209.

MATHEMATICA

Select[Range[500], Count[DigitCount[# + IntegerReverse[#]], 0]==9&] (* Requires Mathematica version 10 or later *) (* Harvey P. Dale, Mar 20 2020 *)

CROSSREFS

Sequence in context: A329230 A119798 A015976 * A174139 A037325 A293292

Adjacent sequences:  A098889 A098890 A098891 * A098893 A098894 A098895

KEYWORD

nonn,base

AUTHOR

Reinhard Zumkeller, Nov 04 2004

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 September 18 19:30 EDT 2021. Contains 347534 sequences. (Running on oeis4.)