A151687 - cp's OEIS frontend

A151687 G.f.: x + x^2 * Product_{n>=0} (1 + x^(2^n-1) + x^(2^n)).

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

[0, 1, 2, 3, 3, 3, 5, 6, 4, 3, 5, 6, 6, 8, 11, 10, 5, 3, 5, 6, 6, 8, 11, 10, 7, 8, 11, 12, 14, 19, 21, 15, 6, 3, 5, 6, 6, 8, 11, 10, 7, 8, 11, 12, 14, 19, 21, 15, 8, 8, 11, 12, 14, 19, 21, 17, 15, 19, 23, 26, 33, 40, 36, 21, 7, 3, 5, 6, 6, 8, 11, 10, 7, 8, 11, 12, 14, 19, 21, 15, 8, 8]

cp's OEIS Frontend

A151687 G.f.: x + x^2 * Product_{n>=0} (1 + x^(2^n-1) + x^(2^n)).

Table of values

List of values

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

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

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