Number of graph minors in the cycle graph C_n.

Terms

a(0) =7a(1) =13a(2) =21a(3) =33a(4) =49a(5) =72a(6) =103a(7) =146a(8) =203a(9) =281a(10) =383a(11) =519a(12) =696a(13) =928a(14) =1226a(15) =1612a(16) =2103a(17) =2731a(18) =3524a(19) =4527a(20) =5783a(21) =7359a(22) =9318a(23) =11755a(24) =14766a(25) =18485a(26) =23051a(27) =28656a(28) =35499a(29) =43849