A074704 - cp's OEIS frontend

A074704 a(n) = floor(n^(3/2)) - n*floor(n^(1/2)).

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

[0, 0, 2, 0, 1, 2, 4, 6, 0, 1, 3, 5, 7, 10, 13, 0, 2, 4, 6, 9, 12, 15, 18, 21, 0, 2, 5, 8, 11, 14, 17, 21, 24, 28, 32, 0, 3, 6, 9, 12, 16, 20, 23, 27, 31, 35, 40, 44, 0, 3, 7, 10, 14, 18, 22, 27, 31, 35, 40, 44, 49, 54, 59, 0, 4, 8, 12, 16, 21, 25, 30, 34, 39, 44, 49, 54, 59, 64, 70]

cp's OEIS Frontend

A074704 a(n) = floor(n^(3/2)) - n*floor(n^(1/2)).

Table of values

List of values

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

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

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