Number of sensed 2-connected (nonseparable) planar maps with n edges.

A006402

Number of sensed 2-connected (nonseparable) planar maps with n edges.

Terms

    a(0) =1a(1) =2a(2) =3a(3) =6a(4) =16a(5) =42a(6) =151a(7) =596a(8) =2605a(9) =12098a(10) =59166a(11) =297684a(12) =1538590a(13) =8109078a(14) =43476751a(15) =236474942a(16) =1302680941a(17) =7256842362a(18) =40832979283a(19) =231838418310

External references