A033465 - cp's OEIS frontend

A033465 Numerators of the first differences of 1/(n^2 + 1).

n	a(n)
0	1
1	3
2	1
3	7
4	9
5	11
6	13
7	3
8	17
9	19
10	21
11	23
12	1
13	27
14	29
15	31
16	33
17	7
18	37
19	39
20	41
21	43
22	9
23	47
24	49
25	51
26	53
27	11
28	57
29	59
30	61
31	63
32	13
33	67
34	69
35	71
36	73
37	3
38	77
39	79
40	81
41	83
42	17
43	87
44	89
45	91
46	93
47	19
48	97
49	99
50	101
51	103
52	21
53	107
54	109
55	111
56	113

[1, 3, 1, 7, 9, 11, 13, 3, 17, 19, 21, 23, 1, 27, 29, 31, 33, 7, 37, 39, 41, 43, 9, 47, 49, 51, 53, 11, 57, 59, 61, 63, 13, 67, 69, 71, 73, 3, 77, 79, 81, 83, 17, 87, 89, 91, 93, 19, 97, 99, 101, 103, 21, 107, 109, 111, 113]

cp's OEIS Frontend

A033465 Numerators of the first differences of 1/(n^2 + 1).

Table of values

List of values

n	a(n)
0	1
1	3
2	1
3	7
4	9
5	11
6	13
7	3
8	17
9	19
10	21
11	23
12	1
13	27
14	29
15	31
16	33
17	7
18	37
19	39
20	41
21	43
22	9
23	47
24	49
25	51
26	53
27	11
28	57
29	59
30	61
31	63
32	13
33	67
34	69
35	71
36	73
37	3
38	77
39	79
40	81
41	83
42	17
43	87
44	89
45	91
46	93
47	19
48	97
49	99
50	101
51	103
52	21
53	107
54	109
55	111
56	113

n	a(n)
0	1
1	3
2	1
3	7
4	9
5	11
6	13
7	3
8	17
9	19
10	21
11	23
12	1
13	27
14	29
15	31
16	33
17	7
18	37
19	39
20	41
21	43
22	9
23	47
24	49
25	51
26	53
27	11
28	57
29	59
30	61
31	63
32	13
33	67
34	69
35	71
36	73
37	3
38	77
39	79
40	81
41	83
42	17
43	87
44	89
45	91
46	93
47	19
48	97
49	99
50	101
51	103
52	21
53	107
54	109
55	111
56	113

n	a(n)
0	1
1	3
2	1
3	7
4	9
5	11
6	13
7	3
8	17
9	19
10	21
11	23
12	1
13	27
14	29
15	31
16	33
17	7
18	37
19	39
20	41
21	43
22	9
23	47
24	49
25	51
26	53
27	11
28	57
29	59
30	61
31	63
32	13
33	67
34	69
35	71
36	73
37	3
38	77
39	79
40	81
41	83
42	17
43	87
44	89
45	91
46	93
47	19
48	97
49	99
50	101
51	103
52	21
53	107
54	109
55	111
56	113