A196054 - cp's OEIS frontend

A196054 The second Zagreb index of the rooted tree with Matula-Goebel number n.

n	a(n)
1	0
2	1
3	4
4	4
5	8
6	8
7	9
8	9
9	12
10	12
11	12
12	14
13	14
14	14
15	16
16	16
17	14
18	19
19	16
20	18
21	18
22	16
23	19
24	22
25	20
26	19
27	24
28	21
29	18
30	23
31	16
32	25
33	20
34	18
35	22
36	28
37	22
38	22
39	23
40	26
41	19
42	26
43	21
44	22
45	28
46	24
47	23
48	32
49	24
50	27
51	22
52	26
53	25
54	34
55	24
56	30
57	26
58	23
59	18
60	32
61	28
62	20
63	31
64	36
65	27
66	27
67	22
68	24
69	28
70	30
71	26
72	39
73	26
74	28
75	32
76	30
77	26
78	31
79	22
80	36
81	40
82	23
83	24
84	36
85	26
86	26
87	27
88	30
89	32
90	38

[0, 1, 4, 4, 8, 8, 9, 9, 12, 12, 12, 14, 14, 14, 16, 16, 14, 19, 16, 18, 18, 16, 19, 22, 20, 19, 24, 21, 18, 23, 16, 25, 20, 18, 22, 28, 22, 22, 23, 26, 19, 26, 21, 22, 28, 24, 23, 32, 24, 27, 22, 26, 25, 34, 24, 30, 26, 23, 18, 32, 28, 20, 31, 36, 27, 27, 22, 24, 28, 30, 26, 39, 26, 28, 32, 30, 26, 31, 22, 36, 40, 23, 24, 36, 26, 26, 27, 30, 32, 38]

cp's OEIS Frontend

A196054 The second Zagreb index of the rooted tree with Matula-Goebel number n.

Table of values

List of values

n	a(n)
1	0
2	1
3	4
4	4
5	8
6	8
7	9
8	9
9	12
10	12
11	12
12	14
13	14
14	14
15	16
16	16
17	14
18	19
19	16
20	18
21	18
22	16
23	19
24	22
25	20
26	19
27	24
28	21
29	18
30	23
31	16
32	25
33	20
34	18
35	22
36	28
37	22
38	22
39	23
40	26
41	19
42	26
43	21
44	22
45	28
46	24
47	23
48	32
49	24
50	27
51	22
52	26
53	25
54	34
55	24
56	30
57	26
58	23
59	18
60	32
61	28
62	20
63	31
64	36
65	27
66	27
67	22
68	24
69	28
70	30
71	26
72	39
73	26
74	28
75	32
76	30
77	26
78	31
79	22
80	36
81	40
82	23
83	24
84	36
85	26
86	26
87	27
88	30
89	32
90	38

n	a(n)
1	0
2	1
3	4
4	4
5	8
6	8
7	9
8	9
9	12
10	12
11	12
12	14
13	14
14	14
15	16
16	16
17	14
18	19
19	16
20	18
21	18
22	16
23	19
24	22
25	20
26	19
27	24
28	21
29	18
30	23
31	16
32	25
33	20
34	18
35	22
36	28
37	22
38	22
39	23
40	26
41	19
42	26
43	21
44	22
45	28
46	24
47	23
48	32
49	24
50	27
51	22
52	26
53	25
54	34
55	24
56	30
57	26
58	23
59	18
60	32
61	28
62	20
63	31
64	36
65	27
66	27
67	22
68	24
69	28
70	30
71	26
72	39
73	26
74	28
75	32
76	30
77	26
78	31
79	22
80	36
81	40
82	23
83	24
84	36
85	26
86	26
87	27
88	30
89	32
90	38

n	a(n)
1	0
2	1
3	4
4	4
5	8
6	8
7	9
8	9
9	12
10	12
11	12
12	14
13	14
14	14
15	16
16	16
17	14
18	19
19	16
20	18
21	18
22	16
23	19
24	22
25	20
26	19
27	24
28	21
29	18
30	23
31	16
32	25
33	20
34	18
35	22
36	28
37	22
38	22
39	23
40	26
41	19
42	26
43	21
44	22
45	28
46	24
47	23
48	32
49	24
50	27
51	22
52	26
53	25
54	34
55	24
56	30
57	26
58	23
59	18
60	32
61	28
62	20
63	31
64	36
65	27
66	27
67	22
68	24
69	28
70	30
71	26
72	39
73	26
74	28
75	32
76	30
77	26
78	31
79	22
80	36
81	40
82	23
83	24
84	36
85	26
86	26
87	27
88	30
89	32
90	38