A231566 - cp's OEIS frontend

A231566 gcd(1,2n)1^2n + ...+ gcd(i,2n)i^2n + ... + gcd(2n,2n)*2n^2n (mod 2n).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	10
7	7
8	8
9	9
10	2
11	11
12	4
13	13
14	14
15	15
16	16
17	17
18	30
19	19
20	20
21	27
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
32	32
33	33
34	34
35	35
36	12
37	37
38	38
39	39
40	72
41	41
42	58
43	43
44	44
45	45
46	46
47	47
48	80
49	49
50	10
51	51
52	52
53	53
54	90
55	105
56	56
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	64
65	65
66	66
67	67

[1, 2, 3, 4, 5, 10, 7, 8, 9, 2, 11, 4, 13, 14, 15, 16, 17, 30, 19, 20, 27, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 12, 37, 38, 39, 72, 41, 58, 43, 44, 45, 46, 47, 80, 49, 10, 51, 52, 53, 90, 105, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67]

cp's OEIS Frontend

A231566 gcd(1,2n)1^2n + ...+ gcd(i,2n)i^2n + ... + gcd(2n,2n)*2n^2n (mod 2n).

Table of values

List of values

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	10
7	7
8	8
9	9
10	2
11	11
12	4
13	13
14	14
15	15
16	16
17	17
18	30
19	19
20	20
21	27
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
32	32
33	33
34	34
35	35
36	12
37	37
38	38
39	39
40	72
41	41
42	58
43	43
44	44
45	45
46	46
47	47
48	80
49	49
50	10
51	51
52	52
53	53
54	90
55	105
56	56
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	64
65	65
66	66
67	67

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	10
7	7
8	8
9	9
10	2
11	11
12	4
13	13
14	14
15	15
16	16
17	17
18	30
19	19
20	20
21	27
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
32	32
33	33
34	34
35	35
36	12
37	37
38	38
39	39
40	72
41	41
42	58
43	43
44	44
45	45
46	46
47	47
48	80
49	49
50	10
51	51
52	52
53	53
54	90
55	105
56	56
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	64
65	65
66	66
67	67

cp's OEIS Frontend

A231566 gcd(1,2n)*1^2n + ...+ gcd(i,2n)*i^2n + ... + gcd(2n,2n)*2n^2n (mod 2n).

Table of values

List of values

A231566 gcd(1,2n)1^2n + ...+ gcd(i,2n)i^2n + ... + gcd(2n,2n)*2n^2n (mod 2n).

n	a(n)
1	1
2	2
3	3
4	4
5	5
6	10
7	7
8	8
9	9
10	2
11	11
12	4
13	13
14	14
15	15
16	16
17	17
18	30
19	19
20	20
21	27
22	22
23	23
24	24
25	25
26	26
27	27
28	28
29	29
30	30
31	31
32	32
33	33
34	34
35	35
36	12
37	37
38	38
39	39
40	72
41	41
42	58
43	43
44	44
45	45
46	46
47	47
48	80
49	49
50	10
51	51
52	52
53	53
54	90
55	105
56	56
57	57
58	58
59	59
60	60
61	61
62	62
63	63
64	64
65	65
66	66
67	67