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A166389 Multiples of 7 such their reversal + 1 is also a multiple of 7. 1
14, 84, 140, 147, 231, 238, 322, 329, 392, 399, 413, 483, 504, 574, 665, 756, 840, 847, 931, 938, 1043, 1134, 1225, 1295, 1316, 1386, 1400, 1407, 1470, 1477, 1561, 1568, 1652, 1659, 1743, 1834, 1925, 1995, 2044, 2135, 2226, 2296, 2310, 2317, 2380, 2387 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

LINKS

G. C. Greubel, Table of n, a(n) for n = 1..10000

MATHEMATICA

Select[7 Range[6!], Divisible[FromDigits[Reverse[IntegerDigits[#]]] + 1, 7] &] (* G. C. Greubel, May 12 2016 *)

PROG

(PARI) isok(n) = !(n%7) && !((subst(Polrev(digits(n)), x, 10)+1) % 7); \\ Michel Marcus, May 12 2016

CROSSREFS

Subsequence of A008589.

Sequence in context: A166819 A108683 A323415 * A085036 A107935 A008451

Adjacent sequences:  A166386 A166387 A166388 * A166390 A166391 A166392

KEYWORD

nonn,base

AUTHOR

Claudio Meller, Oct 13 2009

STATUS

approved

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Last modified February 28 08:28 EST 2020. Contains 332323 sequences. (Running on oeis4.)