A343335 - cp's OEIS frontend

A343335 a(n) is the smallest proper alternating multiple of n when n is not a multiple of 20, otherwise a(20*k) = 0 for k >= 1.

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	16
9	18
10	30
11	121
12	36
13	52
14	56
15	30
16	32
17	34
18	36
19	38
20	0
21	63
22	418
23	69
24	72
25	50
26	52
27	54
28	56
29	58
30	90
31	341
32	96
33	165
34	238
35	70
36	72
37	74
38	76
39	78
40	0
41	123
42	210
43	129
44	616
45	90
46	92
47	94
48	96
49	98
50	250
51	561
52	416
53	212
54	216
55	165
56	616
57	456
58	232
59	236
60	0
61	183
62	434
63	189
64	256
65	325
66	858

[2, 4, 6, 8, 10, 12, 14, 16, 18, 30, 121, 36, 52, 56, 30, 32, 34, 36, 38, 0, 63, 418, 69, 72, 50, 52, 54, 56, 58, 90, 341, 96, 165, 238, 70, 72, 74, 76, 78, 0, 123, 210, 129, 616, 90, 92, 94, 96, 98, 250, 561, 416, 212, 216, 165, 616, 456, 232, 236, 0, 183, 434, 189, 256, 325, 858]

cp's OEIS Frontend

A343335 a(n) is the smallest proper alternating multiple of n when n is not a multiple of 20, otherwise a(20*k) = 0 for k >= 1.

Table of values

List of values

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	16
9	18
10	30
11	121
12	36
13	52
14	56
15	30
16	32
17	34
18	36
19	38
20	0
21	63
22	418
23	69
24	72
25	50
26	52
27	54
28	56
29	58
30	90
31	341
32	96
33	165
34	238
35	70
36	72
37	74
38	76
39	78
40	0
41	123
42	210
43	129
44	616
45	90
46	92
47	94
48	96
49	98
50	250
51	561
52	416
53	212
54	216
55	165
56	616
57	456
58	232
59	236
60	0
61	183
62	434
63	189
64	256
65	325
66	858

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	16
9	18
10	30
11	121
12	36
13	52
14	56
15	30
16	32
17	34
18	36
19	38
20	0
21	63
22	418
23	69
24	72
25	50
26	52
27	54
28	56
29	58
30	90
31	341
32	96
33	165
34	238
35	70
36	72
37	74
38	76
39	78
40	0
41	123
42	210
43	129
44	616
45	90
46	92
47	94
48	96
49	98
50	250
51	561
52	416
53	212
54	216
55	165
56	616
57	456
58	232
59	236
60	0
61	183
62	434
63	189
64	256
65	325
66	858

n	a(n)
1	2
2	4
3	6
4	8
5	10
6	12
7	14
8	16
9	18
10	30
11	121
12	36
13	52
14	56
15	30
16	32
17	34
18	36
19	38
20	0
21	63
22	418
23	69
24	72
25	50
26	52
27	54
28	56
29	58
30	90
31	341
32	96
33	165
34	238
35	70
36	72
37	74
38	76
39	78
40	0
41	123
42	210
43	129
44	616
45	90
46	92
47	94
48	96
49	98
50	250
51	561
52	416
53	212
54	216
55	165
56	616
57	456
58	232
59	236
60	0
61	183
62	434
63	189
64	256
65	325
66	858