%I #6 Feb 16 2025 08:34:00
%S 1,2,3,4,5,1,2,3,4,5,6,2,3,4,1,2,3,3,4,5,2,3,4,4,5,6,3,1,2,2,3,4,4,2,
%T 3,3,4,5,5,3,4,4,2,3,1,2,3,4,3,4,2,3,4,5,4,2,3,3,4,2,3,3,4,4,5,1,2,3,
%U 4,5,3,2,2,3,3,4,4,3,3,4,2,3,4,3,4,4,3,3,4,2,1,2,3,2,3,3,2,3,4,3,3
%N Least number of hexagonal numbers needed to represent n.
%H Eric Weisstein's World of Mathematics, <a href="https://mathworld.wolfram.com/HexagonalNumber.html">Hexagonal Number</a>
%H <a href="/index/Pol#polygonal_numbers">Index to sequences related to polygonal numbers</a>
%Y Cf. A000384, A002828, A061336, A100878, A234533, A338480, A338481.
%K nonn,changed
%O 1,2
%A _Ilya Gutkovskiy_, Oct 29 2020