A130482 - cp's OEIS frontend

A130482 a(n) = Sum_{k=0..n} (k mod 4) (Partial sums of A010873).

n	a(n)
0	0
1	1
2	3
3	6
4	6
5	7
6	9
7	12
8	12
9	13
10	15
11	18
12	18
13	19
14	21
15	24
16	24
17	25
18	27
19	30
20	30
21	31
22	33
23	36
24	36
25	37
26	39
27	42
28	42
29	43
30	45
31	48
32	48
33	49
34	51
35	54
36	54
37	55
38	57
39	60
40	60
41	61
42	63
43	66
44	66
45	67
46	69
47	72
48	72
49	73
50	75
51	78
52	78
53	79
54	81
55	84
56	84
57	85
58	87
59	90
60	90
61	91
62	93
63	96
64	96
65	97
66	99
67	102
68	102
69	103
70	105

[0, 1, 3, 6, 6, 7, 9, 12, 12, 13, 15, 18, 18, 19, 21, 24, 24, 25, 27, 30, 30, 31, 33, 36, 36, 37, 39, 42, 42, 43, 45, 48, 48, 49, 51, 54, 54, 55, 57, 60, 60, 61, 63, 66, 66, 67, 69, 72, 72, 73, 75, 78, 78, 79, 81, 84, 84, 85, 87, 90, 90, 91, 93, 96, 96, 97, 99, 102, 102, 103, 105]

cp's OEIS Frontend

A130482 a(n) = Sum_{k=0..n} (k mod 4) (Partial sums of A010873).

Table of values

List of values

n	a(n)
0	0
1	1
2	3
3	6
4	6
5	7
6	9
7	12
8	12
9	13
10	15
11	18
12	18
13	19
14	21
15	24
16	24
17	25
18	27
19	30
20	30
21	31
22	33
23	36
24	36
25	37
26	39
27	42
28	42
29	43
30	45
31	48
32	48
33	49
34	51
35	54
36	54
37	55
38	57
39	60
40	60
41	61
42	63
43	66
44	66
45	67
46	69
47	72
48	72
49	73
50	75
51	78
52	78
53	79
54	81
55	84
56	84
57	85
58	87
59	90
60	90
61	91
62	93
63	96
64	96
65	97
66	99
67	102
68	102
69	103
70	105

n	a(n)
0	0
1	1
2	3
3	6
4	6
5	7
6	9
7	12
8	12
9	13
10	15
11	18
12	18
13	19
14	21
15	24
16	24
17	25
18	27
19	30
20	30
21	31
22	33
23	36
24	36
25	37
26	39
27	42
28	42
29	43
30	45
31	48
32	48
33	49
34	51
35	54
36	54
37	55
38	57
39	60
40	60
41	61
42	63
43	66
44	66
45	67
46	69
47	72
48	72
49	73
50	75
51	78
52	78
53	79
54	81
55	84
56	84
57	85
58	87
59	90
60	90
61	91
62	93
63	96
64	96
65	97
66	99
67	102
68	102
69	103
70	105

n	a(n)
0	0
1	1
2	3
3	6
4	6
5	7
6	9
7	12
8	12
9	13
10	15
11	18
12	18
13	19
14	21
15	24
16	24
17	25
18	27
19	30
20	30
21	31
22	33
23	36
24	36
25	37
26	39
27	42
28	42
29	43
30	45
31	48
32	48
33	49
34	51
35	54
36	54
37	55
38	57
39	60
40	60
41	61
42	63
43	66
44	66
45	67
46	69
47	72
48	72
49	73
50	75
51	78
52	78
53	79
54	81
55	84
56	84
57	85
58	87
59	90
60	90
61	91
62	93
63	96
64	96
65	97
66	99
67	102
68	102
69	103
70	105