A151551 - cp's OEIS frontend

A151551 G.f.: (1 + 3x) * Product_{n>=1} (1 + x^(2^n-1) + 2*x^(2^n)).

n	a(n)
0	1
1	4
2	5
3	7
4	6
5	13
6	16
7	13
8	6
9	13
10	17
11	20
12	25
13	42
14	44
15	25
16	6
17	13
18	17
19	20
20	25
21	42
22	45
23	32
24	25
25	43
26	54
27	65
28	92
29	128
30	112
31	49
32	6
33	13
34	17
35	20
36	25
37	42
38	45
39	32
40	25
41	43
42	54
43	65
44	92
45	128
46	113
47	56
48	25
49	43
50	54
51	65
52	92
53	129
54	122
55	89
56	93
57	140
58	173
59	222
60	312
61	368
62	272
63	97
64	6
65	13
66	17
67	20
68	25
69	42

[1, 4, 5, 7, 6, 13, 16, 13, 6, 13, 17, 20, 25, 42, 44, 25, 6, 13, 17, 20, 25, 42, 45, 32, 25, 43, 54, 65, 92, 128, 112, 49, 6, 13, 17, 20, 25, 42, 45, 32, 25, 43, 54, 65, 92, 128, 113, 56, 25, 43, 54, 65, 92, 129, 122, 89, 93, 140, 173, 222, 312, 368, 272, 97, 6, 13, 17, 20, 25, 42]

cp's OEIS Frontend

A151551 G.f.: (1 + 3x) * Product_{n>=1} (1 + x^(2^n-1) + 2*x^(2^n)).

Table of values

List of values

n	a(n)
0	1
1	4
2	5
3	7
4	6
5	13
6	16
7	13
8	6
9	13
10	17
11	20
12	25
13	42
14	44
15	25
16	6
17	13
18	17
19	20
20	25
21	42
22	45
23	32
24	25
25	43
26	54
27	65
28	92
29	128
30	112
31	49
32	6
33	13
34	17
35	20
36	25
37	42
38	45
39	32
40	25
41	43
42	54
43	65
44	92
45	128
46	113
47	56
48	25
49	43
50	54
51	65
52	92
53	129
54	122
55	89
56	93
57	140
58	173
59	222
60	312
61	368
62	272
63	97
64	6
65	13
66	17
67	20
68	25
69	42

n	a(n)
0	1
1	4
2	5
3	7
4	6
5	13
6	16
7	13
8	6
9	13
10	17
11	20
12	25
13	42
14	44
15	25
16	6
17	13
18	17
19	20
20	25
21	42
22	45
23	32
24	25
25	43
26	54
27	65
28	92
29	128
30	112
31	49
32	6
33	13
34	17
35	20
36	25
37	42
38	45
39	32
40	25
41	43
42	54
43	65
44	92
45	128
46	113
47	56
48	25
49	43
50	54
51	65
52	92
53	129
54	122
55	89
56	93
57	140
58	173
59	222
60	312
61	368
62	272
63	97
64	6
65	13
66	17
67	20
68	25
69	42

n	a(n)
0	1
1	4
2	5
3	7
4	6
5	13
6	16
7	13
8	6
9	13
10	17
11	20
12	25
13	42
14	44
15	25
16	6
17	13
18	17
19	20
20	25
21	42
22	45
23	32
24	25
25	43
26	54
27	65
28	92
29	128
30	112
31	49
32	6
33	13
34	17
35	20
36	25
37	42
38	45
39	32
40	25
41	43
42	54
43	65
44	92
45	128
46	113
47	56
48	25
49	43
50	54
51	65
52	92
53	129
54	122
55	89
56	93
57	140
58	173
59	222
60	312
61	368
62	272
63	97
64	6
65	13
66	17
67	20
68	25
69	42