cp's OEIS Frontend

A093314 Number of permutations s_1,s_2,...,s_n of 1,2,...,n with s_1 = 3 and such that for all j=1,2,...,n, s_j divides Sum_{i=1..j} s_i.

%I A093314 #5 Feb 05 2019 15:12:46
%S A093314 0,0,1,1,1,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1,0,0,0,0,0,0,0,
%T A093314 12,20,20,1,163,55
%N A093314 Number of permutations s_1,s_2,...,s_n of 1,2,...,n with s_1 = 3 and such that for all j=1,2,...,n, s_j divides Sum_{i=1..j} s_i.
%C A093314 The beginning elements of the permutation are 3,1,(either 2 or 4),...
%C A093314 The total number of permutations with this property is given in A067957.
%H A093314 Matthijs Coster, <a href="http://www.coster.demon.nl/sequences.htm">Sequences</a>
%H A093314 Matthijs Coster, <a href="http://www.nieuwarchief.nl/serie5/pdf/naw5-2002-03-1-092.pdf">Problem 2001/3-A of the Universitaire Wiskunde Competitie</a>, Nieuw Arch. Wisk. 5/3 (2002), 92-94.
%Y A093314 Cf. A067957, A093313, A093315.
%K A093314 nonn,more
%O A093314 1,35
%A A093314 _Matthijs Coster_, Apr 26 2004