A229133 - cp's OEIS frontend

A229133 Numbers k such that the distance between the k-th triangular number and the nearest square is a square.

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	9
8	13
9	15
10	17
11	25
12	32
13	39
14	49
15	52
16	54
17	56
18	63
19	64
20	80
21	87
22	89
23	90
24	95
25	98
26	100
27	104
28	111
29	128
30	135
31	144
32	148
33	152
34	153
35	159
36	176
37	183
38	189
39	200
40	207
41	224
42	225
43	230
44	231
45	233
46	248
47	255
48	272
49	279
50	285
51	288
52	296
53	303
54	305
55	319
56	320
57	327
58	329
59	344
60	351
61	368
62	369
63	370
64	374
65	375

[1, 2, 4, 5, 6, 8, 9, 13, 15, 17, 25, 32, 39, 49, 52, 54, 56, 63, 64, 80, 87, 89, 90, 95, 98, 100, 104, 111, 128, 135, 144, 148, 152, 153, 159, 176, 183, 189, 200, 207, 224, 225, 230, 231, 233, 248, 255, 272, 279, 285, 288, 296, 303, 305, 319, 320, 327, 329, 344, 351, 368, 369, 370, 374, 375]

cp's OEIS Frontend

A229133 Numbers k such that the distance between the k-th triangular number and the nearest square is a square.

Table of values

List of values

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	9
8	13
9	15
10	17
11	25
12	32
13	39
14	49
15	52
16	54
17	56
18	63
19	64
20	80
21	87
22	89
23	90
24	95
25	98
26	100
27	104
28	111
29	128
30	135
31	144
32	148
33	152
34	153
35	159
36	176
37	183
38	189
39	200
40	207
41	224
42	225
43	230
44	231
45	233
46	248
47	255
48	272
49	279
50	285
51	288
52	296
53	303
54	305
55	319
56	320
57	327
58	329
59	344
60	351
61	368
62	369
63	370
64	374
65	375

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	9
8	13
9	15
10	17
11	25
12	32
13	39
14	49
15	52
16	54
17	56
18	63
19	64
20	80
21	87
22	89
23	90
24	95
25	98
26	100
27	104
28	111
29	128
30	135
31	144
32	148
33	152
34	153
35	159
36	176
37	183
38	189
39	200
40	207
41	224
42	225
43	230
44	231
45	233
46	248
47	255
48	272
49	279
50	285
51	288
52	296
53	303
54	305
55	319
56	320
57	327
58	329
59	344
60	351
61	368
62	369
63	370
64	374
65	375

n	a(n)
1	1
2	2
3	4
4	5
5	6
6	8
7	9
8	13
9	15
10	17
11	25
12	32
13	39
14	49
15	52
16	54
17	56
18	63
19	64
20	80
21	87
22	89
23	90
24	95
25	98
26	100
27	104
28	111
29	128
30	135
31	144
32	148
33	152
34	153
35	159
36	176
37	183
38	189
39	200
40	207
41	224
42	225
43	230
44	231
45	233
46	248
47	255
48	272
49	279
50	285
51	288
52	296
53	303
54	305
55	319
56	320
57	327
58	329
59	344
60	351
61	368
62	369
63	370
64	374
65	375