A346914 - cp's OEIS frontend

A346914 Irregular triangle read by rows where each row is the vertex parent array of a rooted forest in Knuth's form of Beyer and Hedetniemi's iteration.

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

[0, 0, 1, 0, 0, 0, 1, 2, 0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 1, 2, 3, 0, 1, 2, 2, 0, 1, 2, 1, 0, 1, 2, 0, 0, 1, 1, 1, 0, 1, 1, 0, 0, 1, 0, 3, 0, 1, 0, 0, 0, 0, 0, 0, 0, 1, 2, 3, 4, 0, 1, 2, 3, 3, 0, 1, 2, 3, 2, 0, 1, 2, 3, 1, 0, 1, 2, 3, 0, 0, 1, 2, 2, 2, 0, 1, 2, 2, 1]

cp's OEIS Frontend

A346914 Irregular triangle read by rows where each row is the vertex parent array of a rooted forest in Knuth's form of Beyer and Hedetniemi's iteration.

Table of values

List of values

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

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

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