A277325 - cp's OEIS frontend

A277325 Product of nonzero coefficients of the n-th Stern polynomial.

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	1
9	2
10	2
11	3
12	1
13	4
14	1
15	1
16	1
17	2
18	2
19	9
20	2
21	12
22	3
23	6
24	1
25	6
26	4
27	9
28	1
29	8
30	1
31	1
32	1
33	2
34	2
35	18
36	2
37	20
38	9
39	24
40	2
41	32
42	12
43	30
44	3
45	40
46	6
47	12
48	1
49	12
50	6
51	45
52	4
53	60
54	9
55	24
56	1
57	18
58	8
59	27
60	1
61	16
62	1
63	1
64	1
65	2
66	2
67	36
68	2
69	60
70	18
71	48
72	2
73	72
74	20
75	160
76	9
77	140
78	24
79	72
80	2
81	96
82	32
83	200
84	12
85	240
86	30
87	140
88	3
89	120
90	40
91	160
92	6
93	160
94	12
95	24
96	1

[1, 1, 1, 1, 1, 2, 1, 1, 1, 2, 2, 3, 1, 4, 1, 1, 1, 2, 2, 9, 2, 12, 3, 6, 1, 6, 4, 9, 1, 8, 1, 1, 1, 2, 2, 18, 2, 20, 9, 24, 2, 32, 12, 30, 3, 40, 6, 12, 1, 12, 6, 45, 4, 60, 9, 24, 1, 18, 8, 27, 1, 16, 1, 1, 1, 2, 2, 36, 2, 60, 18, 48, 2, 72, 20, 160, 9, 140, 24, 72, 2, 96, 32, 200, 12, 240, 30, 140, 3, 120, 40, 160, 6, 160, 12, 24, 1]

cp's OEIS Frontend

A277325 Product of nonzero coefficients of the n-th Stern polynomial.

Table of values

List of values

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	1
9	2
10	2
11	3
12	1
13	4
14	1
15	1
16	1
17	2
18	2
19	9
20	2
21	12
22	3
23	6
24	1
25	6
26	4
27	9
28	1
29	8
30	1
31	1
32	1
33	2
34	2
35	18
36	2
37	20
38	9
39	24
40	2
41	32
42	12
43	30
44	3
45	40
46	6
47	12
48	1
49	12
50	6
51	45
52	4
53	60
54	9
55	24
56	1
57	18
58	8
59	27
60	1
61	16
62	1
63	1
64	1
65	2
66	2
67	36
68	2
69	60
70	18
71	48
72	2
73	72
74	20
75	160
76	9
77	140
78	24
79	72
80	2
81	96
82	32
83	200
84	12
85	240
86	30
87	140
88	3
89	120
90	40
91	160
92	6
93	160
94	12
95	24
96	1

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	1
9	2
10	2
11	3
12	1
13	4
14	1
15	1
16	1
17	2
18	2
19	9
20	2
21	12
22	3
23	6
24	1
25	6
26	4
27	9
28	1
29	8
30	1
31	1
32	1
33	2
34	2
35	18
36	2
37	20
38	9
39	24
40	2
41	32
42	12
43	30
44	3
45	40
46	6
47	12
48	1
49	12
50	6
51	45
52	4
53	60
54	9
55	24
56	1
57	18
58	8
59	27
60	1
61	16
62	1
63	1
64	1
65	2
66	2
67	36
68	2
69	60
70	18
71	48
72	2
73	72
74	20
75	160
76	9
77	140
78	24
79	72
80	2
81	96
82	32
83	200
84	12
85	240
86	30
87	140
88	3
89	120
90	40
91	160
92	6
93	160
94	12
95	24
96	1

n	a(n)
0	1
1	1
2	1
3	1
4	1
5	2
6	1
7	1
8	1
9	2
10	2
11	3
12	1
13	4
14	1
15	1
16	1
17	2
18	2
19	9
20	2
21	12
22	3
23	6
24	1
25	6
26	4
27	9
28	1
29	8
30	1
31	1
32	1
33	2
34	2
35	18
36	2
37	20
38	9
39	24
40	2
41	32
42	12
43	30
44	3
45	40
46	6
47	12
48	1
49	12
50	6
51	45
52	4
53	60
54	9
55	24
56	1
57	18
58	8
59	27
60	1
61	16
62	1
63	1
64	1
65	2
66	2
67	36
68	2
69	60
70	18
71	48
72	2
73	72
74	20
75	160
76	9
77	140
78	24
79	72
80	2
81	96
82	32
83	200
84	12
85	240
86	30
87	140
88	3
89	120
90	40
91	160
92	6
93	160
94	12
95	24
96	1