A373328 - cp's OEIS frontend

A373328 Numbers k such that the difference between T = k*(k+1)/2 = A000217(k) and the largest square <= T reaches a new record.

n	a(n)
1	0
2	2
3	5
4	9
5	12
6	15
7	19
8	22
9	29
10	32
11	39
12	46
13	53
14	56
15	63
16	70
17	73
18	80
19	87
20	90
21	97
22	104
23	111
24	114
25	121
26	131
27	155
28	172
29	189
30	213
31	230
32	254
33	271
34	295
35	312
36	329
37	353
38	370
39	394
40	411
41	428
42	452
43	469
44	493
45	510
46	527
47	551
48	568
49	592
50	609
51	633
52	650
53	667
54	691
55	708
56	732
57	749
58	766

[0, 2, 5, 9, 12, 15, 19, 22, 29, 32, 39, 46, 53, 56, 63, 70, 73, 80, 87, 90, 97, 104, 111, 114, 121, 131, 155, 172, 189, 213, 230, 254, 271, 295, 312, 329, 353, 370, 394, 411, 428, 452, 469, 493, 510, 527, 551, 568, 592, 609, 633, 650, 667, 691, 708, 732, 749, 766]

cp's OEIS Frontend

A373328 Numbers k such that the difference between T = k*(k+1)/2 = A000217(k) and the largest square <= T reaches a new record.

Table of values

List of values

n	a(n)
1	0
2	2
3	5
4	9
5	12
6	15
7	19
8	22
9	29
10	32
11	39
12	46
13	53
14	56
15	63
16	70
17	73
18	80
19	87
20	90
21	97
22	104
23	111
24	114
25	121
26	131
27	155
28	172
29	189
30	213
31	230
32	254
33	271
34	295
35	312
36	329
37	353
38	370
39	394
40	411
41	428
42	452
43	469
44	493
45	510
46	527
47	551
48	568
49	592
50	609
51	633
52	650
53	667
54	691
55	708
56	732
57	749
58	766

n	a(n)
1	0
2	2
3	5
4	9
5	12
6	15
7	19
8	22
9	29
10	32
11	39
12	46
13	53
14	56
15	63
16	70
17	73
18	80
19	87
20	90
21	97
22	104
23	111
24	114
25	121
26	131
27	155
28	172
29	189
30	213
31	230
32	254
33	271
34	295
35	312
36	329
37	353
38	370
39	394
40	411
41	428
42	452
43	469
44	493
45	510
46	527
47	551
48	568
49	592
50	609
51	633
52	650
53	667
54	691
55	708
56	732
57	749
58	766

n	a(n)
1	0
2	2
3	5
4	9
5	12
6	15
7	19
8	22
9	29
10	32
11	39
12	46
13	53
14	56
15	63
16	70
17	73
18	80
19	87
20	90
21	97
22	104
23	111
24	114
25	121
26	131
27	155
28	172
29	189
30	213
31	230
32	254
33	271
34	295
35	312
36	329
37	353
38	370
39	394
40	411
41	428
42	452
43	469
44	493
45	510
46	527
47	551
48	568
49	592
50	609
51	633
52	650
53	667
54	691
55	708
56	732
57	749
58	766