A198325 - cp's OEIS frontend

A198325 Irregular triangle read by rows: T(n,k) is the number of directed paths of length k (k>=1) in the rooted tree having Matula-Goebel number n (n>=2).

n	a(n)
2	1
3	2
4	1
5	2
6	3
7	2
8	1
9	3
10	1
11	3
12	2
13	3
14	4
15	2
16	4
17	2
18	1
19	4
20	3
21	2
22	1
23	4
24	1
25	4
26	3
27	1
28	4
29	2
30	5
31	3
32	1
33	4
34	4
35	3
36	2
37	5
38	2
39	4
40	3
41	5
42	2
43	1
44	5
45	3
46	5
47	3
48	2
49	1
50	5
51	4
52	2
53	5
54	1
55	6
56	4
57	2
58	5
59	3
60	1
61	6
62	3
63	5
64	2
65	5
66	4
67	2
68	1
69	6
70	3
71	1
72	5
73	4
74	3
75	2
76	1
77	5
78	6
79	4
80	2
81	1
82	5
83	3
84	2
85	6
86	4
87	1
88	6
89	2
90	5
91	4
92	1
93	5
94	3
95	6
96	4
97	1
98	6
99	2
100	1
101	5
102	4
103	3
104	1
105	6
106	3
107	5
108	4
109	2
110	6
111	3
112	2
113	1
114	7
115	4
116	1

[1, 2, 1, 2, 3, 2, 1, 3, 1, 3, 2, 3, 4, 2, 4, 2, 1, 4, 3, 2, 1, 4, 1, 4, 3, 1, 4, 2, 5, 3, 1, 4, 4, 3, 2, 5, 2, 4, 3, 5, 2, 1, 5, 3, 5, 3, 2, 1, 5, 4, 2, 5, 1, 6, 4, 2, 5, 3, 1, 6, 3, 5, 2, 5, 4, 2, 1, 6, 3, 1, 5, 4, 3, 2, 1, 5, 6, 4, 2, 1, 5, 3, 2, 6, 4, 1, 6, 2, 5, 4, 1, 5, 3, 6, 4, 1, 6, 2, 1, 5, 4, 3, 1, 6, 3, 5, 4, 2, 6, 3, 2, 1, 7, 4, 1]

cp's OEIS Frontend

A198325 Irregular triangle read by rows: T(n,k) is the number of directed paths of length k (k>=1) in the rooted tree having Matula-Goebel number n (n>=2).

Table of values

List of values

n	a(n)
2	1
3	2
4	1
5	2
6	3
7	2
8	1
9	3
10	1
11	3
12	2
13	3
14	4
15	2
16	4
17	2
18	1
19	4
20	3
21	2
22	1
23	4
24	1
25	4
26	3
27	1
28	4
29	2
30	5
31	3
32	1
33	4
34	4
35	3
36	2
37	5
38	2
39	4
40	3
41	5
42	2
43	1
44	5
45	3
46	5
47	3
48	2
49	1
50	5
51	4
52	2
53	5
54	1
55	6
56	4
57	2
58	5
59	3
60	1
61	6
62	3
63	5
64	2
65	5
66	4
67	2
68	1
69	6
70	3
71	1
72	5
73	4
74	3
75	2
76	1
77	5
78	6
79	4
80	2
81	1
82	5
83	3
84	2
85	6
86	4
87	1
88	6
89	2
90	5
91	4
92	1
93	5
94	3
95	6
96	4
97	1
98	6
99	2
100	1
101	5
102	4
103	3
104	1
105	6
106	3
107	5
108	4
109	2
110	6
111	3
112	2
113	1
114	7
115	4
116	1

n	a(n)
2	1
3	2
4	1
5	2
6	3
7	2
8	1
9	3
10	1
11	3
12	2
13	3
14	4
15	2
16	4
17	2
18	1
19	4
20	3
21	2
22	1
23	4
24	1
25	4
26	3
27	1
28	4
29	2
30	5
31	3
32	1
33	4
34	4
35	3
36	2
37	5
38	2
39	4
40	3
41	5
42	2
43	1
44	5
45	3
46	5
47	3
48	2
49	1
50	5
51	4
52	2
53	5
54	1
55	6
56	4
57	2
58	5
59	3
60	1
61	6
62	3
63	5
64	2
65	5
66	4
67	2
68	1
69	6
70	3
71	1
72	5
73	4
74	3
75	2
76	1
77	5
78	6
79	4
80	2
81	1
82	5
83	3
84	2
85	6
86	4
87	1
88	6
89	2
90	5
91	4
92	1
93	5
94	3
95	6
96	4
97	1
98	6
99	2
100	1
101	5
102	4
103	3
104	1
105	6
106	3
107	5
108	4
109	2
110	6
111	3
112	2
113	1
114	7
115	4
116	1

n	a(n)
2	1
3	2
4	1
5	2
6	3
7	2
8	1
9	3
10	1
11	3
12	2
13	3
14	4
15	2
16	4
17	2
18	1
19	4
20	3
21	2
22	1
23	4
24	1
25	4
26	3
27	1
28	4
29	2
30	5
31	3
32	1
33	4
34	4
35	3
36	2
37	5
38	2
39	4
40	3
41	5
42	2
43	1
44	5
45	3
46	5
47	3
48	2
49	1
50	5
51	4
52	2
53	5
54	1
55	6
56	4
57	2
58	5
59	3
60	1
61	6
62	3
63	5
64	2
65	5
66	4
67	2
68	1
69	6
70	3
71	1
72	5
73	4
74	3
75	2
76	1
77	5
78	6
79	4
80	2
81	1
82	5
83	3
84	2
85	6
86	4
87	1
88	6
89	2
90	5
91	4
92	1
93	5
94	3
95	6
96	4
97	1
98	6
99	2
100	1
101	5
102	4
103	3
104	1
105	6
106	3
107	5
108	4
109	2
110	6
111	3
112	2
113	1
114	7
115	4
116	1