A301705 - cp's OEIS frontend

A301705 a(n) is the number of zero coefficients of the polynomial (x-1)(x^2-1)...*(x^n-1) below the leading coefficient.

n	a(n)
1	0
2	0
3	1
4	4
5	4
6	8
7	11
8	12
9	14
10	20
11	25
12	26
13	24
14	42
15	37
16	40
17	46
18	46
19	45
20	50
21	62
22	62
23	69
24	72
25	80
26	78
27	79
28	74
29	88
30	94
31	97
32	102
33	94
34	104
35	105
36	106
37	102
38	116
39	137
40	130
41	126
42	132
43	121
44	122
45	134
46	152
47	155
48	160
49	164
50	156
51	143
52	156
53	170
54	172
55	167
56	178
57	186
58	194
59	185
60	168
61	174
62	176
63	183
64	182
65	192
66	194
67	205
68	196
69	200
70	188

[0, 0, 1, 4, 4, 8, 11, 12, 14, 20, 25, 26, 24, 42, 37, 40, 46, 46, 45, 50, 62, 62, 69, 72, 80, 78, 79, 74, 88, 94, 97, 102, 94, 104, 105, 106, 102, 116, 137, 130, 126, 132, 121, 122, 134, 152, 155, 160, 164, 156, 143, 156, 170, 172, 167, 178, 186, 194, 185, 168, 174, 176, 183, 182, 192, 194, 205, 196, 200, 188]

cp's OEIS Frontend

A301705 a(n) is the number of zero coefficients of the polynomial (x-1)(x^2-1)...*(x^n-1) below the leading coefficient.

Table of values

List of values

n	a(n)
1	0
2	0
3	1
4	4
5	4
6	8
7	11
8	12
9	14
10	20
11	25
12	26
13	24
14	42
15	37
16	40
17	46
18	46
19	45
20	50
21	62
22	62
23	69
24	72
25	80
26	78
27	79
28	74
29	88
30	94
31	97
32	102
33	94
34	104
35	105
36	106
37	102
38	116
39	137
40	130
41	126
42	132
43	121
44	122
45	134
46	152
47	155
48	160
49	164
50	156
51	143
52	156
53	170
54	172
55	167
56	178
57	186
58	194
59	185
60	168
61	174
62	176
63	183
64	182
65	192
66	194
67	205
68	196
69	200
70	188

n	a(n)
1	0
2	0
3	1
4	4
5	4
6	8
7	11
8	12
9	14
10	20
11	25
12	26
13	24
14	42
15	37
16	40
17	46
18	46
19	45
20	50
21	62
22	62
23	69
24	72
25	80
26	78
27	79
28	74
29	88
30	94
31	97
32	102
33	94
34	104
35	105
36	106
37	102
38	116
39	137
40	130
41	126
42	132
43	121
44	122
45	134
46	152
47	155
48	160
49	164
50	156
51	143
52	156
53	170
54	172
55	167
56	178
57	186
58	194
59	185
60	168
61	174
62	176
63	183
64	182
65	192
66	194
67	205
68	196
69	200
70	188

cp's OEIS Frontend

A301705 a(n) is the number of zero coefficients of the polynomial (x-1)*(x^2-1)*...*(x^n-1) below the leading coefficient.

Table of values

List of values

A301705 a(n) is the number of zero coefficients of the polynomial (x-1)(x^2-1)...*(x^n-1) below the leading coefficient.

n	a(n)
1	0
2	0
3	1
4	4
5	4
6	8
7	11
8	12
9	14
10	20
11	25
12	26
13	24
14	42
15	37
16	40
17	46
18	46
19	45
20	50
21	62
22	62
23	69
24	72
25	80
26	78
27	79
28	74
29	88
30	94
31	97
32	102
33	94
34	104
35	105
36	106
37	102
38	116
39	137
40	130
41	126
42	132
43	121
44	122
45	134
46	152
47	155
48	160
49	164
50	156
51	143
52	156
53	170
54	172
55	167
56	178
57	186
58	194
59	185
60	168
61	174
62	176
63	183
64	182
65	192
66	194
67	205
68	196
69	200
70	188