A233401 - cp's OEIS frontend

A233401 Numbers k such that k^3 - b2 is a triangular number (A000217), where b2 is the largest square less than k^3.

n	a(n)
1	1
2	4
3	8
4	21
5	37
6	40
7	56
8	112
9	113
10	204
11	280
12	445
13	481
14	560
15	688
16	709
17	1933
18	1945
19	3601
20	3805
21	3861
22	4156
23	4333
24	4365
25	7096
26	8408
27	8516
28	11064
29	12688
30	13609
31	13945
32	16501
33	17080
34	18901
35	21464
36	23125
37	27244
38	27364
39	28141
40	45228
41	45549
42	58321
43	60061
44	66245
45	70585
46	78688

[1, 4, 8, 21, 37, 40, 56, 112, 113, 204, 280, 445, 481, 560, 688, 709, 1933, 1945, 3601, 3805, 3861, 4156, 4333, 4365, 7096, 8408, 8516, 11064, 12688, 13609, 13945, 16501, 17080, 18901, 21464, 23125, 27244, 27364, 28141, 45228, 45549, 58321, 60061, 66245, 70585, 78688]

cp's OEIS Frontend

A233401 Numbers k such that k^3 - b2 is a triangular number (A000217), where b2 is the largest square less than k^3.

Table of values

List of values