%I #7 Sep 15 2024 17:40:29
%S 1,1,1,1,1,1,2,6,31,1527,3509710,19634198420529,
%T 670572652324570519822017836,
%U 444183929825540926086588009989665668909119960123355423
%N 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 Cf. A374663, A375516, A375531, A375532, A375781, A375522, A376048-A376051, A376053, A376054, A376055.
%K nonn
%O 1,7
%A _N. J. A. Sloane_, Sep 14 2024