login
Number of compositions (ordered partitions) of n into distinct odd squarefree parts.
1

%I #4 Feb 03 2020 22:19:46

%S 1,1,0,1,2,1,2,1,4,6,2,7,4,7,4,13,30,13,8,25,32,31,56,37,82,42,104,

%T 168,128,175,152,181,226,307,252,439,326,691,372,943,1190,1069,1238,

%U 1435,2056,1806,2102,2185,3664,2550,4480,3175,6090,3781,7628,9691

%N Number of compositions (ordered partitions) of n into distinct odd squarefree parts.

%H <a href="/index/Com#comp">Index entries for sequences related to compositions</a>

%e a(8) = 4 because we have [7, 1], [5, 3], [3, 5] and [1, 7].

%Y Cf. A056911, A087188, A134337, A134345, A280194, A280198, A331846, A331981.

%K nonn

%O 0,5

%A _Ilya Gutkovskiy_, Feb 03 2020