a(n) = number of components of the graph P(n,3) (defined in Comments).

A145671

a(n) = number of components of the graph P(n,3) (defined in Comments).

Terms

    a(0) =1a(1) =2a(2) =4a(3) =8a(4) =15a(5) =32a(6) =88a(7) =209a(8) =539a(9) =1403a(10) =3698a(11) =9962a(12) =26447a(13) =71579a(14) =196590a(15) =541473a(16) =1501720a(17) =4186566a(18) =11737617a(19) =33005599a(20) =93296302

External references