cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

A055124 Base-14 complement of n (write n in base 14, then replace each digit with its base-14 negative).

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%I A055124 #18 Mar 31 2017 22:21:04
%S A055124 0,13,12,11,10,9,8,7,6,5,4,3,2,1,182,195,194,193,192,191,190,189,188,
%T A055124 187,186,185,184,183,168,181,180,179,178,177,176,175,174,173,172,171,
%U A055124 170,169,154,167,166,165,164,163,162,161,160,159,158,157,156,155,140
%N A055124 Base-14 complement of n (write n in base 14, then replace each digit with its base-14 negative).
%H A055124 Reinhard Zumkeller, <a href="/A055124/b055124.txt">Table of n, a(n) for n = 0..2743</a> (2743 = 14^3 - 1)
%H A055124 <a href="/index/Per#IntegerPermutation">Index entries for sequences that are permutations of the natural numbers</a>
%o A055124 (Haskell)
%o A055124 a055124 0 = 0
%o A055124 a055124 n = if d == 0 then 14 * a055124 n' else 14 * a055124 n' + 14 - d
%o A055124             where (n', d) = divMod n 14
%o A055124 -- _Reinhard Zumkeller_, Mar 12 2014
%Y A055124 Cf. A004488, A048647, A055115-A055126.
%Y A055124 Column k=14 of A248813.
%K A055124 base,easy,nonn
%O A055124 0,2
%A A055124 _Henry Bottomley_, Apr 19 2000