A176974 - cp's OEIS frontend

A176974 First exponent n to generate maximum remainder when (a + 1)^n + (a - 1)^n is divided by a^2 for variable n and a>2.

n	a(n)
3	1
4	1
5	7
6	5
7	3
8	3
9	13
10	9
11	5
12	5
13	19
14	13
15	7
16	7
17	25
18	17
19	9
20	9
21	31
22	21
23	11
24	11
25	37
26	25
27	13
28	13
29	43
30	29
31	15
32	15
33	49
34	33
35	17
36	17
37	55
38	37
39	19
40	19
41	61
42	41
43	21
44	21
45	67
46	45
47	23
48	23
49	73
50	49
51	25
52	25
53	79
54	53
55	27
56	27
57	85
58	57
59	29
60	29
61	91
62	61
63	31
64	31
65	97
66	65
67	33
68	33
69	103
70	69

[1, 1, 7, 5, 3, 3, 13, 9, 5, 5, 19, 13, 7, 7, 25, 17, 9, 9, 31, 21, 11, 11, 37, 25, 13, 13, 43, 29, 15, 15, 49, 33, 17, 17, 55, 37, 19, 19, 61, 41, 21, 21, 67, 45, 23, 23, 73, 49, 25, 25, 79, 53, 27, 27, 85, 57, 29, 29, 91, 61, 31, 31, 97, 65, 33, 33, 103, 69]

cp's OEIS Frontend

A176974 First exponent n to generate maximum remainder when (a + 1)^n + (a - 1)^n is divided by a^2 for variable n and a>2.

Table of values

List of values

n	a(n)
3	1
4	1
5	7
6	5
7	3
8	3
9	13
10	9
11	5
12	5
13	19
14	13
15	7
16	7
17	25
18	17
19	9
20	9
21	31
22	21
23	11
24	11
25	37
26	25
27	13
28	13
29	43
30	29
31	15
32	15
33	49
34	33
35	17
36	17
37	55
38	37
39	19
40	19
41	61
42	41
43	21
44	21
45	67
46	45
47	23
48	23
49	73
50	49
51	25
52	25
53	79
54	53
55	27
56	27
57	85
58	57
59	29
60	29
61	91
62	61
63	31
64	31
65	97
66	65
67	33
68	33
69	103
70	69

n	a(n)
3	1
4	1
5	7
6	5
7	3
8	3
9	13
10	9
11	5
12	5
13	19
14	13
15	7
16	7
17	25
18	17
19	9
20	9
21	31
22	21
23	11
24	11
25	37
26	25
27	13
28	13
29	43
30	29
31	15
32	15
33	49
34	33
35	17
36	17
37	55
38	37
39	19
40	19
41	61
42	41
43	21
44	21
45	67
46	45
47	23
48	23
49	73
50	49
51	25
52	25
53	79
54	53
55	27
56	27
57	85
58	57
59	29
60	29
61	91
62	61
63	31
64	31
65	97
66	65
67	33
68	33
69	103
70	69

n	a(n)
3	1
4	1
5	7
6	5
7	3
8	3
9	13
10	9
11	5
12	5
13	19
14	13
15	7
16	7
17	25
18	17
19	9
20	9
21	31
22	21
23	11
24	11
25	37
26	25
27	13
28	13
29	43
30	29
31	15
32	15
33	49
34	33
35	17
36	17
37	55
38	37
39	19
40	19
41	61
42	41
43	21
44	21
45	67
46	45
47	23
48	23
49	73
50	49
51	25
52	25
53	79
54	53
55	27
56	27
57	85
58	57
59	29
60	29
61	91
62	61
63	31
64	31
65	97
66	65
67	33
68	33
69	103
70	69