A276144 Solutions y to x/SOD(x) = y, where x and y are palindromes.

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

Offset: 1

Author

Lars Blomberg, Aug 22 2016

Keywords

• nonn
• base

Comments

"SOD" = "sum of digits" (A007953).

Examples

			279972/SOD(279972) = 279972/36 = 7777, so 7777 is a term.
		

Links

• Lars Blomberg, Table of n, a(n) for n = 1..10000
• C. Rivera, PrimePuzzles.Net, Puzzle 41.- Palindromic Carnival, section B.

Crossrefs

See A276142 for the x values.

See A276143 for the SOD(x) values.

Cf. A002113, A005349, A007953.