cp's OEIS Frontend

A299472 a(n) is the sum of all divisors of all numbers k whose associated largest Dyck path contains the point (n,n) in the diagram of the symmetric representation of sigma(k) described in A237593, or 0 if no such k exists.

%I A299472 #21 Jun 24 2018 11:17:53
%S A299472 1,7,13,0,20,15,43,0,66,0,24,49,59,0,134,0,60,113,0,86,0,104,165,0,48,
%T A299472 245,0,132,0,224,0,198,0,124,57,317,0,192,0,350,0,326,0,104,211,0,434,
%U A299472 0,216,0,0,647,0,344,0,186,331,0,584,0,270,0,234,0,672,0,350,171,0,156,639,0,672,0,390,0,368,0,956
%N A299472 a(n) is the sum of all divisors of all numbers k whose associated largest Dyck path contains the point (n,n) in the diagram of the symmetric representation of sigma(k) described in A237593, or 0 if no such k exists.
%Y A299472 Row sums of A299693.
%Y A299472 Cf. A196020, A235791, A236104, A237048, A237591, A237593, A240542, A245092, A259179, A276112, A277437, A279286, A279385, A280919, A280223, A282131, A282197, A280295, A281012.
%K A299472 nonn
%O A299472 1,2
%A A299472 _Omar E. Pol_, Feb 19 2018