A378335
Number of n-node connected sensed planar maps with an external face in which all internal faces are triangles.
Original entry on oeis.org
1, 2, 5, 23, 114, 675, 4357, 29692, 209933, 1531349, 11439545, 87202034, 676101375, 5319069978, 42378741675, 341403125204, 2777329727768, 22790623236250, 188475690185517, 1569588986566488, 13153980294670851, 110870960421707325, 939397206702263021
Offset: 3
A378336
Triangle read by rows: T(n,k) is the number of n node connected sensed planar maps with an external face and k triangular internal faces, n >= 3, 1 <= k <= 2*n - 5.
Original entry on oeis.org
1, 0, 1, 1, 0, 1, 1, 2, 1, 0, 0, 2, 5, 5, 6, 5, 0, 0, 2, 8, 13, 20, 21, 26, 24, 0, 0, 0, 10, 28, 55, 79, 104, 119, 147, 133, 0, 0, 0, 7, 45, 126, 230, 360, 491, 625, 735, 892, 846, 0, 0, 0, 0, 44, 227, 561, 1066, 1682, 2430, 3241, 4074, 4830, 5876, 5661
Offset: 3
Triangle begins:
n\k | 1 2 3 4 5 6 7 8 9 10 11 12 13
----+----------------------------------------------------------
3 | 1;
4 | 0, 1, 1;
5 | 0, 1, 1, 2, 1;
6 | 0, 0, 2, 5, 5, 6, 5;
7 | 0, 0, 2, 8, 13, 20, 21, 26, 24;
8 | 0, 0, 0, 10, 28, 55, 79, 104, 119, 147, 133;
9 | 0, 0, 0, 7, 45, 126, 230, 360, 491, 625, 735, 892, 846;
...
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
A378337
Number of connected sensed planar maps with an external face and n internal triangular faces.
Original entry on oeis.org
1, 2, 6, 32, 155, 1043, 7083, 51983, 393064, 3069809, 24522342, 199837021, 1655355627, 13907476161, 118275808160, 1016657106858, 8821284816805, 77181267608093, 680346219098844, 6037537131435871, 53904120217352519, 483921982054548241, 4366269495618350828, 39577142154691122910
Offset: 1
A378343
Number of n edge connected unsensed planar maps with an external face in which all internal faces are triangles.
Original entry on oeis.org
1, 0, 1, 2, 1, 4, 7, 10, 22, 41, 77, 167, 349, 736, 1642, 3627, 8120, 18575, 42548, 97871, 228166, 532484, 1246778, 2941748, 6952421, 16470326, 39217775, 93530974, 223542903, 536138078, 1287943658, 3099775046, 7479610688, 18075710749, 43755189158, 106127886654, 257778445136
Offset: 3
Showing 1-5 of 5 results.
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