Number of ways to color vertices of a pentagon using <= n colors, allowing rotations and reflections.

A060446

Number of ways to color vertices of a pentagon using <= n colors, allowing rotations and reflections.

Terms

    a(0) =0a(1) =1a(2) =8a(3) =39a(4) =136a(5) =377a(6) =888a(7) =1855a(8) =3536a(9) =6273a(10) =10504a(11) =16775a(12) =25752a(13) =38233a(14) =55160a(15) =77631a(16) =106912a(17) =144449a(18) =191880a(19) =251047a(20) =324008a(21) =413049a(22) =520696a(23) =649727a(24) =803184a(25) =984385a(26) =1196936a(27) =1444743a(28) =1732024a(29) =2063321

External references