A378343 -id:A378343 - cp's OEIS frontend

A378338 Number of n edge connected sensed planar maps with an external face in which all internal faces are triangles.

1, 0, 1, 2, 1, 4, 8, 13, 29, 60, 121, 275, 604, 1332, 3035, 6866, 15623, 36110, 83421, 193114, 451851, 1057860, 2482062, 5864466, 13873957, 32891337, 78352991, 186929542, 446870480, 1071922233, 2575310764, 6198621655, 14957681872, 36148936396, 87506326488, 212249136940, 515546059746, 1254062268245

Offset: 3

Andrew Howroyd, Nov 23 2024

nonn

Andrew Howroyd, Table of n, a(n) for n = 3..100

Antidiagonal sums of A378336.

Cf. A378335, A378337, A378342 (achiral), A378343 (unsensed).

A378338seq(30) \\ See PARI link in A378340 for program code.

A378342 Number of n edge connected achiral planar maps with an external face in which all internal faces are triangles.

Original entry on oeis.org

1, 0, 1, 2, 1, 4, 6, 7, 15, 22, 33, 59, 94, 140, 249, 388, 617, 1040, 1675, 2628, 4481, 7108, 11494, 19030, 30885, 49315, 82559, 132406, 215326, 353923, 576552, 928437, 1539504, 2485102, 4051828, 6636368, 10830526, 17524893, 28903185, 46838466, 76464837, 125019717

Offset: 3

Andrew Howroyd, Nov 25 2024

nonn

Andrew Howroyd, Table of n, a(n) for n = 3..100

Antidiagonal sums of A378340.

Cf. A378338 (sensed), A378339, A378341, A378343 (unsensed).

A378338seq(45) \\ See PARI link in A378340 for program code.

cp's OEIS Frontend

A378338 Number of n edge connected sensed planar maps with an external face in which all internal faces are triangles.

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