A058218 - cp's OEIS frontend

A058218 Positive integers that cannot be represented in the form n=5|ab|+a+b for any choice of nonzero integers a and b (positive or negative).

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	18
10	22
11	26
12	28
13	30
14	32
15	36
16	40
17	44
18	48
19	50
20	54
21	58
22	60
23	62
24	66
25	76
26	78
27	82
28	84
29	94
30	96
31	98
32	100
33	102
34	104
35	114
36	116
37	120
38	126
39	132
40	136
41	138
42	140
43	144
44	150
45	154
46	158
47	162
48	166
49	170
50	176
51	184
52	188
53	190
54	198
55	202
56	204
57	208
58	210
59	212
60	216
61	220

[1, 2, 4, 6, 8, 10, 12, 14, 18, 22, 26, 28, 30, 32, 36, 40, 44, 48, 50, 54, 58, 60, 62, 66, 76, 78, 82, 84, 94, 96, 98, 100, 102, 104, 114, 116, 120, 126, 132, 136, 138, 140, 144, 150, 154, 158, 162, 166, 170, 176, 184, 188, 190, 198, 202, 204, 208, 210, 212, 216, 220]

cp's OEIS Frontend

A058218 Positive integers that cannot be represented in the form n=5|ab|+a+b for any choice of nonzero integers a and b (positive or negative).

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	18
10	22
11	26
12	28
13	30
14	32
15	36
16	40
17	44
18	48
19	50
20	54
21	58
22	60
23	62
24	66
25	76
26	78
27	82
28	84
29	94
30	96
31	98
32	100
33	102
34	104
35	114
36	116
37	120
38	126
39	132
40	136
41	138
42	140
43	144
44	150
45	154
46	158
47	162
48	166
49	170
50	176
51	184
52	188
53	190
54	198
55	202
56	204
57	208
58	210
59	212
60	216
61	220

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	18
10	22
11	26
12	28
13	30
14	32
15	36
16	40
17	44
18	48
19	50
20	54
21	58
22	60
23	62
24	66
25	76
26	78
27	82
28	84
29	94
30	96
31	98
32	100
33	102
34	104
35	114
36	116
37	120
38	126
39	132
40	136
41	138
42	140
43	144
44	150
45	154
46	158
47	162
48	166
49	170
50	176
51	184
52	188
53	190
54	198
55	202
56	204
57	208
58	210
59	212
60	216
61	220

n	a(n)
1	1
2	2
3	4
4	6
5	8
6	10
7	12
8	14
9	18
10	22
11	26
12	28
13	30
14	32
15	36
16	40
17	44
18	48
19	50
20	54
21	58
22	60
23	62
24	66
25	76
26	78
27	82
28	84
29	94
30	96
31	98
32	100
33	102
34	104
35	114
36	116
37	120
38	126
39	132
40	136
41	138
42	140
43	144
44	150
45	154
46	158
47	162
48	166
49	170
50	176
51	184
52	188
53	190
54	198
55	202
56	204
57	208
58	210
59	212
60	216
61	220