A230038 - cp's OEIS frontend

A230038 Distance between n^2 and the smallest triangular number >= n^2.

n	a(n)
1	0
2	2
3	1
4	5
5	3
6	0
7	6
8	2
9	10
10	5
11	15
12	9
13	2
14	14
15	6
16	20
17	11
18	1
19	17
20	6
21	24
22	12
23	32
24	19
25	5
26	27
27	12
28	36
29	20
30	3
31	29
32	11
33	39
34	20
35	0
36	30
37	9
38	41
39	19
40	53
41	30
42	6
43	42
44	17
45	55
46	29
47	2
48	42
49	14
50	56
51	27
52	71
53	41
54	10
55	56
56	24
57	72
58	39
59	5
60	55
61	20
62	72
63	36
64	90
65	53
66	15
67	71
68	32
69	90
70	50
71	9
72	69
73	27
74	89
75	46
76	2
77	66
78	21
79	87
80	41
81	109
82	62

[0, 2, 1, 5, 3, 0, 6, 2, 10, 5, 15, 9, 2, 14, 6, 20, 11, 1, 17, 6, 24, 12, 32, 19, 5, 27, 12, 36, 20, 3, 29, 11, 39, 20, 0, 30, 9, 41, 19, 53, 30, 6, 42, 17, 55, 29, 2, 42, 14, 56, 27, 71, 41, 10, 56, 24, 72, 39, 5, 55, 20, 72, 36, 90, 53, 15, 71, 32, 90, 50, 9, 69, 27, 89, 46, 2, 66, 21, 87, 41, 109, 62]

cp's OEIS Frontend

A230038 Distance between n^2 and the smallest triangular number >= n^2.

Table of values

List of values

n	a(n)
1	0
2	2
3	1
4	5
5	3
6	0
7	6
8	2
9	10
10	5
11	15
12	9
13	2
14	14
15	6
16	20
17	11
18	1
19	17
20	6
21	24
22	12
23	32
24	19
25	5
26	27
27	12
28	36
29	20
30	3
31	29
32	11
33	39
34	20
35	0
36	30
37	9
38	41
39	19
40	53
41	30
42	6
43	42
44	17
45	55
46	29
47	2
48	42
49	14
50	56
51	27
52	71
53	41
54	10
55	56
56	24
57	72
58	39
59	5
60	55
61	20
62	72
63	36
64	90
65	53
66	15
67	71
68	32
69	90
70	50
71	9
72	69
73	27
74	89
75	46
76	2
77	66
78	21
79	87
80	41
81	109
82	62

n	a(n)
1	0
2	2
3	1
4	5
5	3
6	0
7	6
8	2
9	10
10	5
11	15
12	9
13	2
14	14
15	6
16	20
17	11
18	1
19	17
20	6
21	24
22	12
23	32
24	19
25	5
26	27
27	12
28	36
29	20
30	3
31	29
32	11
33	39
34	20
35	0
36	30
37	9
38	41
39	19
40	53
41	30
42	6
43	42
44	17
45	55
46	29
47	2
48	42
49	14
50	56
51	27
52	71
53	41
54	10
55	56
56	24
57	72
58	39
59	5
60	55
61	20
62	72
63	36
64	90
65	53
66	15
67	71
68	32
69	90
70	50
71	9
72	69
73	27
74	89
75	46
76	2
77	66
78	21
79	87
80	41
81	109
82	62

n	a(n)
1	0
2	2
3	1
4	5
5	3
6	0
7	6
8	2
9	10
10	5
11	15
12	9
13	2
14	14
15	6
16	20
17	11
18	1
19	17
20	6
21	24
22	12
23	32
24	19
25	5
26	27
27	12
28	36
29	20
30	3
31	29
32	11
33	39
34	20
35	0
36	30
37	9
38	41
39	19
40	53
41	30
42	6
43	42
44	17
45	55
46	29
47	2
48	42
49	14
50	56
51	27
52	71
53	41
54	10
55	56
56	24
57	72
58	39
59	5
60	55
61	20
62	72
63	36
64	90
65	53
66	15
67	71
68	32
69	90
70	50
71	9
72	69
73	27
74	89
75	46
76	2
77	66
78	21
79	87
80	41
81	109
82	62