Number of isomorphism classes of nanocones with 4 pentagons and a nearsymmetric boundary of length n.

A198016

Number of isomorphism classes of nanocones with 4 pentagons and a nearsymmetric boundary of length n.

Terms

    a(0) =2a(1) =9a(2) =32a(3) =89a(4) =204a(5) =420a(6) =786a(7) =1376a(8) =2272a(9) =3589a(10) =5450a(11) =8021a(12) =11474a(13) =16032a(14) =21928a(15) =29452a(16) =38902a(17) =50645a(18) =65056a(19) =82585a(20) =103692a(21) =128920a(22) =158822a(23) =194044a(24) =235240a(25) =283165a(26) =338586a(27) =402377a(28) =475422a(29) =558724

External references