A192018 - cp's OEIS frontend

A192018 Triangle read by rows: T(n,k) is the number of unordered pairs of nodes at distance k in the binary Fibonacci tree of order n (1<=k<=2n-3; entries in row n are the coefficients of the corresponding Wiener polynomial).

n	a(n)
2	1
3	3
4	2
5	1
6	6
7	6
8	5
9	3
10	1
11	11
12	13
13	14
14	12
15	10
16	5
17	1
18	19
19	24
20	30
21	31
22	31
23	28
24	19
25	7
26	1
27	32
28	42
29	56
30	66
31	74
32	78
33	77
34	61
35	32
36	9
37	1
38	53
39	71
40	98
41	124
42	152
43	175
44	196
45	203
46	180
47	118
48	49
49	11
50	1
51	87
52	118
53	166
54	218
55	284
56	349
57	419
58	485
59	525
60	502
61	384
62	207
63	70
64	13
65	1
66	142
67	194
68	276
69	370
70	499
71	645
72	812
73	998
74	1189
75	1331
76	1349
77	1152
78	749
79	336
80	95
81	15
82	1

[1, 3, 2, 1, 6, 6, 5, 3, 1, 11, 13, 14, 12, 10, 5, 1, 19, 24, 30, 31, 31, 28, 19, 7, 1, 32, 42, 56, 66, 74, 78, 77, 61, 32, 9, 1, 53, 71, 98, 124, 152, 175, 196, 203, 180, 118, 49, 11, 1, 87, 118, 166, 218, 284, 349, 419, 485, 525, 502, 384, 207, 70, 13, 1, 142, 194, 276, 370, 499, 645, 812, 998, 1189, 1331, 1349, 1152, 749, 336, 95, 15, 1]

cp's OEIS Frontend

A192018 Triangle read by rows: T(n,k) is the number of unordered pairs of nodes at distance k in the binary Fibonacci tree of order n (1<=k<=2n-3; entries in row n are the coefficients of the corresponding Wiener polynomial).

Table of values

List of values