A054519 - cp's OEIS frontend

A054519 Number of increasing arithmetic progressions of nonnegative integers ending in n, including those of length 1 or 2.

n	a(n)
0	1
1	2
2	4
3	6
4	9
5	11
6	15
7	17
8	21
9	24
10	28
11	30
12	36
13	38
14	42
15	46
16	51
17	53
18	59
19	61
20	67
21	71
22	75
23	77
24	85
25	88
26	92
27	96
28	102
29	104
30	112
31	114
32	120
33	124
34	128
35	132
36	141
37	143
38	147
39	151
40	159
41	161
42	169
43	171
44	177
45	183
46	187
47	189
48	199
49	202
50	208
51	212
52	218
53	220
54	228
55	232
56	240
57	244
58	248

[1, 2, 4, 6, 9, 11, 15, 17, 21, 24, 28, 30, 36, 38, 42, 46, 51, 53, 59, 61, 67, 71, 75, 77, 85, 88, 92, 96, 102, 104, 112, 114, 120, 124, 128, 132, 141, 143, 147, 151, 159, 161, 169, 171, 177, 183, 187, 189, 199, 202, 208, 212, 218, 220, 228, 232, 240, 244, 248]

cp's OEIS Frontend

A054519 Number of increasing arithmetic progressions of nonnegative integers ending in n, including those of length 1 or 2.

Table of values

List of values

n	a(n)
0	1
1	2
2	4
3	6
4	9
5	11
6	15
7	17
8	21
9	24
10	28
11	30
12	36
13	38
14	42
15	46
16	51
17	53
18	59
19	61
20	67
21	71
22	75
23	77
24	85
25	88
26	92
27	96
28	102
29	104
30	112
31	114
32	120
33	124
34	128
35	132
36	141
37	143
38	147
39	151
40	159
41	161
42	169
43	171
44	177
45	183
46	187
47	189
48	199
49	202
50	208
51	212
52	218
53	220
54	228
55	232
56	240
57	244
58	248

n	a(n)
0	1
1	2
2	4
3	6
4	9
5	11
6	15
7	17
8	21
9	24
10	28
11	30
12	36
13	38
14	42
15	46
16	51
17	53
18	59
19	61
20	67
21	71
22	75
23	77
24	85
25	88
26	92
27	96
28	102
29	104
30	112
31	114
32	120
33	124
34	128
35	132
36	141
37	143
38	147
39	151
40	159
41	161
42	169
43	171
44	177
45	183
46	187
47	189
48	199
49	202
50	208
51	212
52	218
53	220
54	228
55	232
56	240
57	244
58	248

n	a(n)
0	1
1	2
2	4
3	6
4	9
5	11
6	15
7	17
8	21
9	24
10	28
11	30
12	36
13	38
14	42
15	46
16	51
17	53
18	59
19	61
20	67
21	71
22	75
23	77
24	85
25	88
26	92
27	96
28	102
29	104
30	112
31	114
32	120
33	124
34	128
35	132
36	141
37	143
38	147
39	151
40	159
41	161
42	169
43	171
44	177
45	183
46	187
47	189
48	199
49	202
50	208
51	212
52	218
53	220
54	228
55	232
56	240
57	244
58	248