|
%I #5 Jan 29 2020 14:51:03
%S 1,1,1,3,2,3,9,5,12,16,21,41,42,49,59,79,130,231,230,295,226,495,609,
%T 699,1472,1042,1377,2308,2982,3425,3879,4877,7156,7189,13531,14797,
%U 13570,19551,27667,30327,36382,47519,60783,70561,78330,136988,121659,174851
%N Number of compositions (ordered partitions) of n into distinct squarefree parts.
%H <a href="/index/Com#comp">Index entries for sequences related to compositions</a>
%e a(7) = 5 because we have [7], [6, 1], [5, 2], [2, 5] and [1, 6].
%Y Cf. A005117, A032020, A032021, A032022, A087188, A218396, A219107, A280194, A331843, A331844, A331845, A331847.
%K nonn
%O 0,4
%A _Ilya Gutkovskiy_, Jan 29 2020
|
