A376052 - cp's OEIS frontend

A376052 Lexicographically earliest sequence of positive integers a(1), a(2), a(3), ... such that for any n > 0, S(n) = Sum_{k = 1..n} 1/((2k+1)a(k)) < 1.

%I A376052 #9 Apr 10 2025 08:18:55
%S A376052 1,1,1,1,1,1,2,6,31,1527,3509710,19634198420529,
%T A376052 670572652324570519822017836,
%U A376052 444183929825540926086588009989665668909119960123355423
%N A376052 Lexicographically earliest sequence of positive integers a(1), a(2), a(3), ... such that for any n > 0, S(n) = Sum_{k = 1..n} 1/((2*k+1)*a(k)) < 1.
%Y A376052 Cf. A374663, A375516, A375531, A375532, A375781, A375522, A376048-A376051, A376053, A376054, A376055.
%K A376052 nonn
%O A376052 1,7
%A A376052 _N. J. A. Sloane_, Sep 14 2024

cp's OEIS Frontend

A376052 Lexicographically earliest sequence of positive integers a(1), a(2), a(3), ... such that for any n > 0, S(n) = Sum_{k = 1..n} 1/((2*k+1)*a(k)) < 1.

A376052 Lexicographically earliest sequence of positive integers a(1), a(2), a(3), ... such that for any n > 0, S(n) = Sum_{k = 1..n} 1/((2k+1)a(k)) < 1.