Number of dominating subsets of the theta-graph TH(2,2,n) (n>=1). A tribonacci sequence with initial values 13, 23, and 41.

A213655

Number of dominating subsets of the theta-graph TH(2,2,n) (n>=1). A tribonacci sequence with initial values 13, 23, and 41.

Terms

    a(0) =13a(1) =23a(2) =41a(3) =77a(4) =141a(5) =259a(6) =477a(7) =877a(8) =1613a(9) =2967a(10) =5457a(11) =10037a(12) =18461a(13) =33955a(14) =62453a(15) =114869a(16) =211277a(17) =388599a(18) =714745a(19) =1314621a(20) =2417965a(21) =4447331a(22) =8179917a(23) =15045213a(24) =27672461a(25) =50897591a(26) =93615265a(27) =172185317a(28) =316698173a(29) =582498755

External references