|
| |
|
|
A276144
|
|
Solutions y to x/SOD(x) = y, where x and y are palindromes.
|
|
3
|
|
|
|
1, 1, 1, 1, 1, 1, 1, 1, 1, 7777, 77077, 122221, 707707, 770077, 7070707, 7700077, 4444444, 88888888, 70077007, 70700707, 77000077, 88888888, 88888888, 888808888, 488888884, 700707007, 707000707, 404444404, 770000077, 440444044, 444040444, 848888848, 884888488
(list;
graph;
refs;
listen;
history;
text;
internal format)
|
|
|
|
OFFSET
|
1,10
|
|
|
COMMENTS
|
"SOD" = "sum of digits" (A007953).
|
|
|
LINKS
|
Lars Blomberg, Table of n, a(n) for n = 1..10000
C. Rivera, PrimePuzzles.Net, Puzzle 41.- Palindromic Carnival, section B.
|
|
|
EXAMPLE
|
279972/SOD(279972) = 279972/36 = 7777, so 7777 is a term.
|
|
|
CROSSREFS
|
See A276142 for the x values.
See A276143 for the SOD(x) values.
Cf. A002113, A005349, A007953.
Sequence in context: A223361 A222339 A043520 * A234032 A290339 A234460
Adjacent sequences: A276141 A276142 A276143 * A276145 A276146 A276147
|
|
|
KEYWORD
|
nonn,base
|
|
|
AUTHOR
|
Lars Blomberg, Aug 22 2016
|
|
|
STATUS
|
approved
|
| |
|
|
