A151550 - cp's OEIS frontend

A151550 Expansion of g.f. Product_{n >= 1} (1 + x^(2^n-1) + 2*x^(2^n)).

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

[1, 1, 2, 1, 3, 4, 4, 1, 3, 4, 5, 5, 10, 12, 8, 1, 3, 4, 5, 5, 10, 12, 9, 5, 10, 13, 15, 20, 32, 32, 16, 1, 3, 4, 5, 5, 10, 12, 9, 5, 10, 13, 15, 20, 32, 32, 17, 5, 10, 13, 15, 20, 32, 33, 23, 20, 33, 41, 50, 72, 96, 80, 32, 1, 3, 4, 5, 5, 10, 12, 9, 5, 10, 13, 15, 20, 32, 32, 17, 5, 10, 13]

cp's OEIS Frontend

A151550 Expansion of g.f. Product_{n >= 1} (1 + x^(2^n-1) + 2*x^(2^n)).

Table of values

List of values

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

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

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