A115273 - cp's OEIS frontend

A115273 a(n) = floor(n/3)*(n mod 3).

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	2
6	0
7	2
8	4
9	0
10	3
11	6
12	0
13	4
14	8
15	0
16	5
17	10
18	0
19	6
20	12
21	0
22	7
23	14
24	0
25	8
26	16
27	0
28	9
29	18
30	0
31	10
32	20
33	0
34	11
35	22
36	0
37	12
38	24
39	0
40	13
41	26
42	0
43	14
44	28
45	0
46	15
47	30
48	0
49	16
50	32
51	0
52	17
53	34
54	0
55	18
56	36
57	0
58	19
59	38
60	0
61	20
62	40
63	0
64	21
65	42
66	0
67	22
68	44
69	0
70	23
71	46
72	0
73	24
74	48
75	0
76	25
77	50
78	0
79	26
80	52
81	0
82	27
83	54
84	0
85	28
86	56

[0, 0, 0, 0, 1, 2, 0, 2, 4, 0, 3, 6, 0, 4, 8, 0, 5, 10, 0, 6, 12, 0, 7, 14, 0, 8, 16, 0, 9, 18, 0, 10, 20, 0, 11, 22, 0, 12, 24, 0, 13, 26, 0, 14, 28, 0, 15, 30, 0, 16, 32, 0, 17, 34, 0, 18, 36, 0, 19, 38, 0, 20, 40, 0, 21, 42, 0, 22, 44, 0, 23, 46, 0, 24, 48, 0, 25, 50, 0, 26, 52, 0, 27, 54, 0, 28, 56]

cp's OEIS Frontend

A115273 a(n) = floor(n/3)*(n mod 3).

Table of values

List of values

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	2
6	0
7	2
8	4
9	0
10	3
11	6
12	0
13	4
14	8
15	0
16	5
17	10
18	0
19	6
20	12
21	0
22	7
23	14
24	0
25	8
26	16
27	0
28	9
29	18
30	0
31	10
32	20
33	0
34	11
35	22
36	0
37	12
38	24
39	0
40	13
41	26
42	0
43	14
44	28
45	0
46	15
47	30
48	0
49	16
50	32
51	0
52	17
53	34
54	0
55	18
56	36
57	0
58	19
59	38
60	0
61	20
62	40
63	0
64	21
65	42
66	0
67	22
68	44
69	0
70	23
71	46
72	0
73	24
74	48
75	0
76	25
77	50
78	0
79	26
80	52
81	0
82	27
83	54
84	0
85	28
86	56

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	2
6	0
7	2
8	4
9	0
10	3
11	6
12	0
13	4
14	8
15	0
16	5
17	10
18	0
19	6
20	12
21	0
22	7
23	14
24	0
25	8
26	16
27	0
28	9
29	18
30	0
31	10
32	20
33	0
34	11
35	22
36	0
37	12
38	24
39	0
40	13
41	26
42	0
43	14
44	28
45	0
46	15
47	30
48	0
49	16
50	32
51	0
52	17
53	34
54	0
55	18
56	36
57	0
58	19
59	38
60	0
61	20
62	40
63	0
64	21
65	42
66	0
67	22
68	44
69	0
70	23
71	46
72	0
73	24
74	48
75	0
76	25
77	50
78	0
79	26
80	52
81	0
82	27
83	54
84	0
85	28
86	56

n	a(n)
0	0
1	0
2	0
3	0
4	1
5	2
6	0
7	2
8	4
9	0
10	3
11	6
12	0
13	4
14	8
15	0
16	5
17	10
18	0
19	6
20	12
21	0
22	7
23	14
24	0
25	8
26	16
27	0
28	9
29	18
30	0
31	10
32	20
33	0
34	11
35	22
36	0
37	12
38	24
39	0
40	13
41	26
42	0
43	14
44	28
45	0
46	15
47	30
48	0
49	16
50	32
51	0
52	17
53	34
54	0
55	18
56	36
57	0
58	19
59	38
60	0
61	20
62	40
63	0
64	21
65	42
66	0
67	22
68	44
69	0
70	23
71	46
72	0
73	24
74	48
75	0
76	25
77	50
78	0
79	26
80	52
81	0
82	27
83	54
84	0
85	28
86	56