A083904 - cp's OEIS frontend

A083904 G.f. 1/(1-x) * Sum_{k>=0} 3^k * x^2^(k+1)/(1+x^2^k).

n	a(n)
1	0
2	1
3	0
4	4
5	3
6	1
7	0
8	13
9	12
10	10
11	9
12	4
13	3
14	1
15	0
16	40
17	39
18	37
19	36
20	31
21	30
22	28
23	27
24	13
25	12
26	10
27	9
28	4
29	3
30	1
31	0
32	121
33	120
34	118
35	117
36	112
37	111
38	109
39	108
40	94
41	93
42	91
43	90
44	85
45	84
46	82
47	81
48	40
49	39
50	37
51	36
52	31
53	30
54	28
55	27
56	13
57	12
58	10
59	9
60	4
61	3
62	1
63	0
64	364
65	363
66	361
67	360

[0, 1, 0, 4, 3, 1, 0, 13, 12, 10, 9, 4, 3, 1, 0, 40, 39, 37, 36, 31, 30, 28, 27, 13, 12, 10, 9, 4, 3, 1, 0, 121, 120, 118, 117, 112, 111, 109, 108, 94, 93, 91, 90, 85, 84, 82, 81, 40, 39, 37, 36, 31, 30, 28, 27, 13, 12, 10, 9, 4, 3, 1, 0, 364, 363, 361, 360]

cp's OEIS Frontend

A083904 G.f. 1/(1-x) * Sum_{k>=0} 3^k * x^2^(k+1)/(1+x^2^k).

Table of values

List of values

n	a(n)
1	0
2	1
3	0
4	4
5	3
6	1
7	0
8	13
9	12
10	10
11	9
12	4
13	3
14	1
15	0
16	40
17	39
18	37
19	36
20	31
21	30
22	28
23	27
24	13
25	12
26	10
27	9
28	4
29	3
30	1
31	0
32	121
33	120
34	118
35	117
36	112
37	111
38	109
39	108
40	94
41	93
42	91
43	90
44	85
45	84
46	82
47	81
48	40
49	39
50	37
51	36
52	31
53	30
54	28
55	27
56	13
57	12
58	10
59	9
60	4
61	3
62	1
63	0
64	364
65	363
66	361
67	360

n	a(n)
1	0
2	1
3	0
4	4
5	3
6	1
7	0
8	13
9	12
10	10
11	9
12	4
13	3
14	1
15	0
16	40
17	39
18	37
19	36
20	31
21	30
22	28
23	27
24	13
25	12
26	10
27	9
28	4
29	3
30	1
31	0
32	121
33	120
34	118
35	117
36	112
37	111
38	109
39	108
40	94
41	93
42	91
43	90
44	85
45	84
46	82
47	81
48	40
49	39
50	37
51	36
52	31
53	30
54	28
55	27
56	13
57	12
58	10
59	9
60	4
61	3
62	1
63	0
64	364
65	363
66	361
67	360

n	a(n)
1	0
2	1
3	0
4	4
5	3
6	1
7	0
8	13
9	12
10	10
11	9
12	4
13	3
14	1
15	0
16	40
17	39
18	37
19	36
20	31
21	30
22	28
23	27
24	13
25	12
26	10
27	9
28	4
29	3
30	1
31	0
32	121
33	120
34	118
35	117
36	112
37	111
38	109
39	108
40	94
41	93
42	91
43	90
44	85
45	84
46	82
47	81
48	40
49	39
50	37
51	36
52	31
53	30
54	28
55	27
56	13
57	12
58	10
59	9
60	4
61	3
62	1
63	0
64	364
65	363
66	361
67	360