A362947 - cp's OEIS frontend

A362947 a(0) = 0, a(1) = 0; for n > 1, a(n) is the number of pairs of consecutive terms whose product has same value as a(n-2) * a(n-1).

n	a(n)
0	0
1	0
2	1
3	2
4	1
5	2
6	3
7	1
8	1
9	1
10	2
11	4
12	1
13	1
14	3
15	2
16	2
17	2
18	3
19	3
20	1
21	3
22	4
23	1
24	4
25	5
26	1
27	1
28	4
29	6
30	1
31	4
32	7
33	1
34	1
35	5
36	2
37	1
38	5
39	3
40	1
41	5
42	4
43	2
44	2
45	8
46	1
47	3
48	6
49	1
50	5
51	5
52	1
53	6
54	6
55	1
56	7
57	2
58	1
59	6
60	8
61	1
62	4
63	9
64	2
65	2
66	10
67	3
68	1
69	7
70	3
71	1
72	8
73	5
74	1
75	7
76	4
77	2
78	6
79	2
80	3
81	9
82	1
83	2
84	7
85	2
86	3
87	10
88	2
89	4
90	7
91	3
92	2
93	11
94	1
95	1
96	6
97	12

[0, 0, 1, 2, 1, 2, 3, 1, 1, 1, 2, 4, 1, 1, 3, 2, 2, 2, 3, 3, 1, 3, 4, 1, 4, 5, 1, 1, 4, 6, 1, 4, 7, 1, 1, 5, 2, 1, 5, 3, 1, 5, 4, 2, 2, 8, 1, 3, 6, 1, 5, 5, 1, 6, 6, 1, 7, 2, 1, 6, 8, 1, 4, 9, 2, 2, 10, 3, 1, 7, 3, 1, 8, 5, 1, 7, 4, 2, 6, 2, 3, 9, 1, 2, 7, 2, 3, 10, 2, 4, 7, 3, 2, 11, 1, 1, 6, 12]

cp's OEIS Frontend

A362947 a(0) = 0, a(1) = 0; for n > 1, a(n) is the number of pairs of consecutive terms whose product has same value as a(n-2) * a(n-1).

Table of values

List of values

n	a(n)
0	0
1	0
2	1
3	2
4	1
5	2
6	3
7	1
8	1
9	1
10	2
11	4
12	1
13	1
14	3
15	2
16	2
17	2
18	3
19	3
20	1
21	3
22	4
23	1
24	4
25	5
26	1
27	1
28	4
29	6
30	1
31	4
32	7
33	1
34	1
35	5
36	2
37	1
38	5
39	3
40	1
41	5
42	4
43	2
44	2
45	8
46	1
47	3
48	6
49	1
50	5
51	5
52	1
53	6
54	6
55	1
56	7
57	2
58	1
59	6
60	8
61	1
62	4
63	9
64	2
65	2
66	10
67	3
68	1
69	7
70	3
71	1
72	8
73	5
74	1
75	7
76	4
77	2
78	6
79	2
80	3
81	9
82	1
83	2
84	7
85	2
86	3
87	10
88	2
89	4
90	7
91	3
92	2
93	11
94	1
95	1
96	6
97	12

n	a(n)
0	0
1	0
2	1
3	2
4	1
5	2
6	3
7	1
8	1
9	1
10	2
11	4
12	1
13	1
14	3
15	2
16	2
17	2
18	3
19	3
20	1
21	3
22	4
23	1
24	4
25	5
26	1
27	1
28	4
29	6
30	1
31	4
32	7
33	1
34	1
35	5
36	2
37	1
38	5
39	3
40	1
41	5
42	4
43	2
44	2
45	8
46	1
47	3
48	6
49	1
50	5
51	5
52	1
53	6
54	6
55	1
56	7
57	2
58	1
59	6
60	8
61	1
62	4
63	9
64	2
65	2
66	10
67	3
68	1
69	7
70	3
71	1
72	8
73	5
74	1
75	7
76	4
77	2
78	6
79	2
80	3
81	9
82	1
83	2
84	7
85	2
86	3
87	10
88	2
89	4
90	7
91	3
92	2
93	11
94	1
95	1
96	6
97	12

n	a(n)
0	0
1	0
2	1
3	2
4	1
5	2
6	3
7	1
8	1
9	1
10	2
11	4
12	1
13	1
14	3
15	2
16	2
17	2
18	3
19	3
20	1
21	3
22	4
23	1
24	4
25	5
26	1
27	1
28	4
29	6
30	1
31	4
32	7
33	1
34	1
35	5
36	2
37	1
38	5
39	3
40	1
41	5
42	4
43	2
44	2
45	8
46	1
47	3
48	6
49	1
50	5
51	5
52	1
53	6
54	6
55	1
56	7
57	2
58	1
59	6
60	8
61	1
62	4
63	9
64	2
65	2
66	10
67	3
68	1
69	7
70	3
71	1
72	8
73	5
74	1
75	7
76	4
77	2
78	6
79	2
80	3
81	9
82	1
83	2
84	7
85	2
86	3
87	10
88	2
89	4
90	7
91	3
92	2
93	11
94	1
95	1
96	6
97	12