A232967 - cp's OEIS frontend

A232967 Irregular triangle read by rows: row n lists the rank sizes of the "electrical" poset EP_n of circular planar graphs with n boundary vertices.

n	a(n)
1	1
2	1
3	1
4	1
5	3
6	3
7	1
8	1
9	6
10	14
11	16
12	10
13	4
14	1
15	1
16	10
17	40
18	85
19	110
20	97
21	65
22	35
23	15
24	5
25	1
26	1
27	15
28	90
29	295
30	609
31	873
32	948
33	840
34	636
35	421
36	246
37	126
38	56
39	21
40	6
41	1
42	1
43	21
44	175
45	805
46	2366
47	4872
48	7567
49	9459
50	10031
51	9359
52	7861
53	6027
54	4249
55	2765
56	1661
57	917
58	462
59	210
60	84
61	28
62	7
63	1
64	1
65	28
66	308
67	1876
68	7350
69	20272
70	42090
71	69620
72	96334
73	115980
74	125044
75	123176
76	112380
77	95836
78	76868
79	58220
80	41734
81	28344
82	18236
83	11096
84	6364
85	3424
86	1716
87	792
88	330
89	120
90	36
91	8
92	1

[1, 1, 1, 1, 3, 3, 1, 1, 6, 14, 16, 10, 4, 1, 1, 10, 40, 85, 110, 97, 65, 35, 15, 5, 1, 1, 15, 90, 295, 609, 873, 948, 840, 636, 421, 246, 126, 56, 21, 6, 1, 1, 21, 175, 805, 2366, 4872, 7567, 9459, 10031, 9359, 7861, 6027, 4249, 2765, 1661, 917, 462, 210, 84, 28, 7, 1, 1, 28, 308, 1876, 7350, 20272, 42090, 69620, 96334, 115980, 125044, 123176, 112380, 95836, 76868, 58220, 41734, 28344, 18236, 11096, 6364, 3424, 1716, 792, 330, 120, 36, 8, 1]

cp's OEIS Frontend

A232967 Irregular triangle read by rows: row n lists the rank sizes of the "electrical" poset EP_n of circular planar graphs with n boundary vertices.

Table of values

List of values