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 A062904 Numbers n such that n and its reversal are both multiples of 14. 1
 252, 434, 616, 686, 868, 2002, 2072, 2254, 2436, 2520, 2590, 2618, 2688, 2702, 2772, 2954, 4004, 4074, 4256, 4340, 4438, 4522, 4592, 4704, 4774, 4956, 6006, 6076, 6160, 6258, 6342, 6524, 6594, 6706, 6776, 6860, 6958, 8008, 8078, 8162, 8344, 8526, 8596 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,1 LINKS Robert Israel, Table of n, a(n) for n = 1..10000 EXAMPLE 2254 and 4522 are both multiples of 14. MAPLE filter:= proc(n) local L, j;   L:= convert(n, base, 10);   add(10^(j-1)*L[-j], j=1..nops(L)) mod 14 = 0 end proc: select(filter, [seq(seq(seq(a*10^d+x, x=((-a*10^d) mod 14)..10^d-2, 14), a=2..8, 2), d=1..4)]); # Robert Israel, May 11 2018 MATHEMATICA Select[14*Range[700], Divisible[FromDigits[Reverse[IntegerDigits[ #]]], 14]&] (* Harvey P. Dale, Jul 25 2012 *) PROG (PARI) isok(n) = !(n % 14) && !(fromdigits(Vecrev(digits(n))) % 14); \\ Michel Marcus, May 12 2018 CROSSREFS Cf. A062903, A062905, A062906, A062907. Sequence in context: A207373 A072443 A129623 * A032800 A024749 A024757 Adjacent sequences:  A062901 A062902 A062903 * A062905 A062906 A062907 KEYWORD nonn,base,easy AUTHOR Amarnath Murthy, Jul 01 2001 EXTENSIONS More terms from Erich Friedman, Jul 02 2001 STATUS approved

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Last modified May 18 06:07 EDT 2022. Contains 353783 sequences. (Running on oeis4.)