A232717 - cp's OEIS frontend

A232717 Decimal expansion of the ratio of the length of the boundary of any arbelos to the length of the boundary of its associated parbelos: Pi / (sqrt(2) + log(1 + sqrt(2))).

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

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

cp's OEIS Frontend

A232717 Decimal expansion of the ratio of the length of the boundary of any arbelos to the length of the boundary of its associated parbelos: Pi / (sqrt(2) + log(1 + sqrt(2))).

Table of values

List of values

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

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

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