A106220 - cp's OEIS frontend

A106220 Coefficients of g.f. A(x) where 0 <= a(n) <= 3 for all n>1, with initial terms {1,4}, such that A(x)^(1/4) consists entirely of integer coefficients.

n	a(n)
0	1
1	4
2	2
3	0
4	3
5	0
6	2
7	0
8	1
9	0
10	0
11	0
12	0
13	0
14	2
15	0
16	0
17	0
18	2
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	2
27	0
28	3
29	0
30	0
31	0
32	3
33	0
34	2
35	0
36	3
37	0
38	2
39	0
40	0
41	0
42	0
43	0
44	1
45	0
46	0
47	0
48	1
49	0
50	0
51	0
52	3
53	0
54	0
55	0
56	3
57	0
58	0
59	0
60	3
61	0
62	0
63	0
64	0
65	0
66	2
67	0
68	3
69	0
70	2
71	0
72	1
73	0
74	0
75	0
76	3
77	0
78	0
79	0
80	3
81	0
82	0
83	0
84	3
85	0
86	2
87	0
88	1
89	0
90	2
91	0
92	3
93	0
94	0
95	0
96	1
97	0
98	2
99	0
100	0
101	0
102	0
103	0
104	1

[1, 4, 2, 0, 3, 0, 2, 0, 1, 0, 0, 0, 0, 0, 2, 0, 0, 0, 2, 0, 0, 0, 0, 0, 0, 0, 2, 0, 3, 0, 0, 0, 3, 0, 2, 0, 3, 0, 2, 0, 0, 0, 0, 0, 1, 0, 0, 0, 1, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 0, 0, 2, 0, 3, 0, 2, 0, 1, 0, 0, 0, 3, 0, 0, 0, 3, 0, 0, 0, 3, 0, 2, 0, 1, 0, 2, 0, 3, 0, 0, 0, 1, 0, 2, 0, 0, 0, 0, 0, 1]

cp's OEIS Frontend

A106220 Coefficients of g.f. A(x) where 0 <= a(n) <= 3 for all n>1, with initial terms {1,4}, such that A(x)^(1/4) consists entirely of integer coefficients.

Table of values

List of values

n	a(n)
0	1
1	4
2	2
3	0
4	3
5	0
6	2
7	0
8	1
9	0
10	0
11	0
12	0
13	0
14	2
15	0
16	0
17	0
18	2
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	2
27	0
28	3
29	0
30	0
31	0
32	3
33	0
34	2
35	0
36	3
37	0
38	2
39	0
40	0
41	0
42	0
43	0
44	1
45	0
46	0
47	0
48	1
49	0
50	0
51	0
52	3
53	0
54	0
55	0
56	3
57	0
58	0
59	0
60	3
61	0
62	0
63	0
64	0
65	0
66	2
67	0
68	3
69	0
70	2
71	0
72	1
73	0
74	0
75	0
76	3
77	0
78	0
79	0
80	3
81	0
82	0
83	0
84	3
85	0
86	2
87	0
88	1
89	0
90	2
91	0
92	3
93	0
94	0
95	0
96	1
97	0
98	2
99	0
100	0
101	0
102	0
103	0
104	1

n	a(n)
0	1
1	4
2	2
3	0
4	3
5	0
6	2
7	0
8	1
9	0
10	0
11	0
12	0
13	0
14	2
15	0
16	0
17	0
18	2
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	2
27	0
28	3
29	0
30	0
31	0
32	3
33	0
34	2
35	0
36	3
37	0
38	2
39	0
40	0
41	0
42	0
43	0
44	1
45	0
46	0
47	0
48	1
49	0
50	0
51	0
52	3
53	0
54	0
55	0
56	3
57	0
58	0
59	0
60	3
61	0
62	0
63	0
64	0
65	0
66	2
67	0
68	3
69	0
70	2
71	0
72	1
73	0
74	0
75	0
76	3
77	0
78	0
79	0
80	3
81	0
82	0
83	0
84	3
85	0
86	2
87	0
88	1
89	0
90	2
91	0
92	3
93	0
94	0
95	0
96	1
97	0
98	2
99	0
100	0
101	0
102	0
103	0
104	1

n	a(n)
0	1
1	4
2	2
3	0
4	3
5	0
6	2
7	0
8	1
9	0
10	0
11	0
12	0
13	0
14	2
15	0
16	0
17	0
18	2
19	0
20	0
21	0
22	0
23	0
24	0
25	0
26	2
27	0
28	3
29	0
30	0
31	0
32	3
33	0
34	2
35	0
36	3
37	0
38	2
39	0
40	0
41	0
42	0
43	0
44	1
45	0
46	0
47	0
48	1
49	0
50	0
51	0
52	3
53	0
54	0
55	0
56	3
57	0
58	0
59	0
60	3
61	0
62	0
63	0
64	0
65	0
66	2
67	0
68	3
69	0
70	2
71	0
72	1
73	0
74	0
75	0
76	3
77	0
78	0
79	0
80	3
81	0
82	0
83	0
84	3
85	0
86	2
87	0
88	1
89	0
90	2
91	0
92	3
93	0
94	0
95	0
96	1
97	0
98	2
99	0
100	0
101	0
102	0
103	0
104	1