A190406 - cp's OEIS frontend

A190406 Decimal expansion of Sum_{k>=1} (1/2)^S(k-1), where S=A001844 (centered square numbers).

n	a(n)
0	5
1	3
2	1
3	3
4	7
5	2
6	1
7	0
8	0
9	1
10	1
11	5
12	2
13	7
14	7
15	1
16	3
17	5
18	4
19	7
20	9
21	8
22	7
23	9
24	8
25	5
26	8
27	9
28	6
29	2
30	5
31	5
32	3
33	5
34	3
35	1
36	7
37	1
38	2
39	8
40	4
41	3
42	2
43	0
44	1
45	8
46	6
47	2
48	0
49	6
50	6
51	3
52	9
53	4
54	0
55	7
56	8
57	8
58	8
59	7
60	1
61	6
62	1
63	3
64	5
65	7
66	8
67	9
68	0
69	6
70	8
71	8
72	0
73	2
74	3
75	7
76	7
77	6
78	0
79	4
80	7
81	6
82	0
83	7
84	3
85	0
86	3
87	4
88	5
89	7
90	7
91	9
92	6
93	0
94	7
95	1
96	2
97	3
98	4
99	9
100	2
101	0
102	6
103	1
104	0
105	7
106	1
107	1
108	5
109	2
110	2
111	0
112	6
113	3
114	9
115	0
116	0
117	7
118	3
119	5

[5, 3, 1, 3, 7, 2, 1, 0, 0, 1, 1, 5, 2, 7, 7, 1, 3, 5, 4, 7, 9, 8, 7, 9, 8, 5, 8, 9, 6, 2, 5, 5, 3, 5, 3, 1, 7, 1, 2, 8, 4, 3, 2, 0, 1, 8, 6, 2, 0, 6, 6, 3, 9, 4, 0, 7, 8, 8, 8, 7, 1, 6, 1, 3, 5, 7, 8, 9, 0, 6, 8, 8, 0, 2, 3, 7, 7, 6, 0, 4, 7, 6, 0, 7, 3, 0, 3, 4, 5, 7, 7, 9, 6, 0, 7, 1, 2, 3, 4, 9, 2, 0, 6, 1, 0, 7, 1, 1, 5, 2, 2, 0, 6, 3, 9, 0, 0, 7, 3, 5]

cp's OEIS Frontend

A190406 Decimal expansion of Sum_{k>=1} (1/2)^S(k-1), where S=A001844 (centered square numbers).

Table of values

List of values

n	a(n)
0	5
1	3
2	1
3	3
4	7
5	2
6	1
7	0
8	0
9	1
10	1
11	5
12	2
13	7
14	7
15	1
16	3
17	5
18	4
19	7
20	9
21	8
22	7
23	9
24	8
25	5
26	8
27	9
28	6
29	2
30	5
31	5
32	3
33	5
34	3
35	1
36	7
37	1
38	2
39	8
40	4
41	3
42	2
43	0
44	1
45	8
46	6
47	2
48	0
49	6
50	6
51	3
52	9
53	4
54	0
55	7
56	8
57	8
58	8
59	7
60	1
61	6
62	1
63	3
64	5
65	7
66	8
67	9
68	0
69	6
70	8
71	8
72	0
73	2
74	3
75	7
76	7
77	6
78	0
79	4
80	7
81	6
82	0
83	7
84	3
85	0
86	3
87	4
88	5
89	7
90	7
91	9
92	6
93	0
94	7
95	1
96	2
97	3
98	4
99	9
100	2
101	0
102	6
103	1
104	0
105	7
106	1
107	1
108	5
109	2
110	2
111	0
112	6
113	3
114	9
115	0
116	0
117	7
118	3
119	5

n	a(n)
0	5
1	3
2	1
3	3
4	7
5	2
6	1
7	0
8	0
9	1
10	1
11	5
12	2
13	7
14	7
15	1
16	3
17	5
18	4
19	7
20	9
21	8
22	7
23	9
24	8
25	5
26	8
27	9
28	6
29	2
30	5
31	5
32	3
33	5
34	3
35	1
36	7
37	1
38	2
39	8
40	4
41	3
42	2
43	0
44	1
45	8
46	6
47	2
48	0
49	6
50	6
51	3
52	9
53	4
54	0
55	7
56	8
57	8
58	8
59	7
60	1
61	6
62	1
63	3
64	5
65	7
66	8
67	9
68	0
69	6
70	8
71	8
72	0
73	2
74	3
75	7
76	7
77	6
78	0
79	4
80	7
81	6
82	0
83	7
84	3
85	0
86	3
87	4
88	5
89	7
90	7
91	9
92	6
93	0
94	7
95	1
96	2
97	3
98	4
99	9
100	2
101	0
102	6
103	1
104	0
105	7
106	1
107	1
108	5
109	2
110	2
111	0
112	6
113	3
114	9
115	0
116	0
117	7
118	3
119	5

n	a(n)
0	5
1	3
2	1
3	3
4	7
5	2
6	1
7	0
8	0
9	1
10	1
11	5
12	2
13	7
14	7
15	1
16	3
17	5
18	4
19	7
20	9
21	8
22	7
23	9
24	8
25	5
26	8
27	9
28	6
29	2
30	5
31	5
32	3
33	5
34	3
35	1
36	7
37	1
38	2
39	8
40	4
41	3
42	2
43	0
44	1
45	8
46	6
47	2
48	0
49	6
50	6
51	3
52	9
53	4
54	0
55	7
56	8
57	8
58	8
59	7
60	1
61	6
62	1
63	3
64	5
65	7
66	8
67	9
68	0
69	6
70	8
71	8
72	0
73	2
74	3
75	7
76	7
77	6
78	0
79	4
80	7
81	6
82	0
83	7
84	3
85	0
86	3
87	4
88	5
89	7
90	7
91	9
92	6
93	0
94	7
95	1
96	2
97	3
98	4
99	9
100	2
101	0
102	6
103	1
104	0
105	7
106	1
107	1
108	5
109	2
110	2
111	0
112	6
113	3
114	9
115	0
116	0
117	7
118	3
119	5