A176423 - cp's OEIS frontend

A176423 Numbers that are the sum of at least three distinct nonnegative integers in arithmetic progression.

n	a(n)
1	3
2	6
3	9
4	10
5	12
6	14
7	15
8	16
9	18
10	20
11	21
12	22
13	24
14	25
15	26
16	27
17	28
18	30
19	32
20	33
21	34
22	35
23	36
24	38
25	39
26	40
27	42
28	44
29	45
30	46
31	48
32	49
33	50
34	51
35	52
36	54
37	55
38	56
39	57
40	58
41	60
42	62
43	63
44	64
45	65
46	66
47	68
48	69
49	70
50	72
51	74
52	75
53	76
54	77
55	78
56	80
57	81
58	82
59	84
60	85
61	86
62	87
63	88
64	90
65	91
66	92
67	93
68	94
69	95
70	96
71	98
72	99
73	100

[3, 6, 9, 10, 12, 14, 15, 16, 18, 20, 21, 22, 24, 25, 26, 27, 28, 30, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 74, 75, 76, 77, 78, 80, 81, 82, 84, 85, 86, 87, 88, 90, 91, 92, 93, 94, 95, 96, 98, 99, 100]

cp's OEIS Frontend

A176423 Numbers that are the sum of at least three distinct nonnegative integers in arithmetic progression.

Table of values

List of values

n	a(n)
1	3
2	6
3	9
4	10
5	12
6	14
7	15
8	16
9	18
10	20
11	21
12	22
13	24
14	25
15	26
16	27
17	28
18	30
19	32
20	33
21	34
22	35
23	36
24	38
25	39
26	40
27	42
28	44
29	45
30	46
31	48
32	49
33	50
34	51
35	52
36	54
37	55
38	56
39	57
40	58
41	60
42	62
43	63
44	64
45	65
46	66
47	68
48	69
49	70
50	72
51	74
52	75
53	76
54	77
55	78
56	80
57	81
58	82
59	84
60	85
61	86
62	87
63	88
64	90
65	91
66	92
67	93
68	94
69	95
70	96
71	98
72	99
73	100

n	a(n)
1	3
2	6
3	9
4	10
5	12
6	14
7	15
8	16
9	18
10	20
11	21
12	22
13	24
14	25
15	26
16	27
17	28
18	30
19	32
20	33
21	34
22	35
23	36
24	38
25	39
26	40
27	42
28	44
29	45
30	46
31	48
32	49
33	50
34	51
35	52
36	54
37	55
38	56
39	57
40	58
41	60
42	62
43	63
44	64
45	65
46	66
47	68
48	69
49	70
50	72
51	74
52	75
53	76
54	77
55	78
56	80
57	81
58	82
59	84
60	85
61	86
62	87
63	88
64	90
65	91
66	92
67	93
68	94
69	95
70	96
71	98
72	99
73	100

n	a(n)
1	3
2	6
3	9
4	10
5	12
6	14
7	15
8	16
9	18
10	20
11	21
12	22
13	24
14	25
15	26
16	27
17	28
18	30
19	32
20	33
21	34
22	35
23	36
24	38
25	39
26	40
27	42
28	44
29	45
30	46
31	48
32	49
33	50
34	51
35	52
36	54
37	55
38	56
39	57
40	58
41	60
42	62
43	63
44	64
45	65
46	66
47	68
48	69
49	70
50	72
51	74
52	75
53	76
54	77
55	78
56	80
57	81
58	82
59	84
60	85
61	86
62	87
63	88
64	90
65	91
66	92
67	93
68	94
69	95
70	96
71	98
72	99
73	100