A059031 - cp's OEIS frontend

A059031 Fifth main diagonal of A059026: a(n) = B(n+4,n) = lcm(n+4,n)/(n+4) + lcm(n+4,n)/n - 1 for all n >= 1.

n	a(n)
1	5
2	3
3	9
4	2
5	13
6	7
7	17
8	4
9	21
10	11
11	25
12	6
13	29
14	15
15	33
16	8
17	37
18	19
19	41
20	10
21	45
22	23
23	49
24	12
25	53
26	27
27	57
28	14
29	61
30	31
31	65
32	16
33	69
34	35
35	73
36	18
37	77
38	39
39	81
40	20
41	85
42	43
43	89
44	22
45	93
46	47
47	97
48	24
49	101
50	51
51	105
52	26
53	109
54	55
55	113
56	28
57	117
58	59
59	121
60	30
61	125
62	63
63	129
64	32
65	133
66	67

[5, 3, 9, 2, 13, 7, 17, 4, 21, 11, 25, 6, 29, 15, 33, 8, 37, 19, 41, 10, 45, 23, 49, 12, 53, 27, 57, 14, 61, 31, 65, 16, 69, 35, 73, 18, 77, 39, 81, 20, 85, 43, 89, 22, 93, 47, 97, 24, 101, 51, 105, 26, 109, 55, 113, 28, 117, 59, 121, 30, 125, 63, 129, 32, 133, 67]

cp's OEIS Frontend

A059031 Fifth main diagonal of A059026: a(n) = B(n+4,n) = lcm(n+4,n)/(n+4) + lcm(n+4,n)/n - 1 for all n >= 1.

Table of values

List of values

n	a(n)
1	5
2	3
3	9
4	2
5	13
6	7
7	17
8	4
9	21
10	11
11	25
12	6
13	29
14	15
15	33
16	8
17	37
18	19
19	41
20	10
21	45
22	23
23	49
24	12
25	53
26	27
27	57
28	14
29	61
30	31
31	65
32	16
33	69
34	35
35	73
36	18
37	77
38	39
39	81
40	20
41	85
42	43
43	89
44	22
45	93
46	47
47	97
48	24
49	101
50	51
51	105
52	26
53	109
54	55
55	113
56	28
57	117
58	59
59	121
60	30
61	125
62	63
63	129
64	32
65	133
66	67

n	a(n)
1	5
2	3
3	9
4	2
5	13
6	7
7	17
8	4
9	21
10	11
11	25
12	6
13	29
14	15
15	33
16	8
17	37
18	19
19	41
20	10
21	45
22	23
23	49
24	12
25	53
26	27
27	57
28	14
29	61
30	31
31	65
32	16
33	69
34	35
35	73
36	18
37	77
38	39
39	81
40	20
41	85
42	43
43	89
44	22
45	93
46	47
47	97
48	24
49	101
50	51
51	105
52	26
53	109
54	55
55	113
56	28
57	117
58	59
59	121
60	30
61	125
62	63
63	129
64	32
65	133
66	67

n	a(n)
1	5
2	3
3	9
4	2
5	13
6	7
7	17
8	4
9	21
10	11
11	25
12	6
13	29
14	15
15	33
16	8
17	37
18	19
19	41
20	10
21	45
22	23
23	49
24	12
25	53
26	27
27	57
28	14
29	61
30	31
31	65
32	16
33	69
34	35
35	73
36	18
37	77
38	39
39	81
40	20
41	85
42	43
43	89
44	22
45	93
46	47
47	97
48	24
49	101
50	51
51	105
52	26
53	109
54	55
55	113
56	28
57	117
58	59
59	121
60	30
61	125
62	63
63	129
64	32
65	133
66	67