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 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

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Last modified March 31 08:15 EDT 2023. Contains 361645 sequences. (Running on oeis4.)