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.
%I A171783 #11 Oct 19 2017 10:43:06 %S A171783 4,3,4,3,4,3,3,3,4,3,4,3,3,3,4,3,4,3,3,3,4,3,3,3,3,3,4,3,4,3,3,3,3,3, %T A171783 4,3,3,3,4,3,4,3,3,3,4,3,3,3,3,3,4,3,3,3,3,3,4,3,4,3,3,3,3,3,4,3,3,3, %U A171783 4,3,4,3,3,3,3,3,4,3,3,3,4,3,3,3,3,3,4,3,3,3,3,3,3,3,4,3,3,3,4,3,4,3,3,3,4 %N A171783 Third smallest divisor of smallest number having exactly n divisors. %C A171783 Conjecture: a(n) = 4 for all prime numbers >= 3 and 3 for all composites %C A171783 Third column of triangle in A081532. - _N. J. A. Sloane_, Oct 12 2010. %H A171783 Antti Karttunen, <a href="/A171783/b171783.txt">Table of n, a(n) for n = 3..2000</a> (computed from the b-file of A005179 provided by _Don Reble_) %F A171783 a(n) = A292269(A005179(n)) for n >= 3. - _Antti Karttunen_, Oct 04 2017 %e A171783 a(4) = 3 because the divisors of 6 are 1, 2, 3, 6. %Y A171783 Cf. A081532, A171784. - _N. J. A. Sloane_, Oct 12 2010. %Y A171783 Cf. A005179, A292269. %K A171783 nonn %O A171783 3,1 %A A171783 _J. Lowell_, Oct 12 2010 %E A171783 More terms from _R. J. Mathar_, Oct 13 2010