A273842 - cp's OEIS frontend

A273842 Decimal expansion of the double integral int_{0..inf} int_{0..inf} 1/sqrt((1+x^2)(1+y^2)(1+(x+y)^2)) dx dy.

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

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

cp's OEIS Frontend

A273842 Decimal expansion of the double integral int_{0..inf} int_{0..inf} 1/sqrt((1+x^2)(1+y^2)(1+(x+y)^2)) dx dy.

Table of values

List of values

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

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

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