A298856 - cp's OEIS frontend

A298856 Triangular numbers n for which A240542(n) = A240542(n-1).

n	a(n)
1	3
2	10
3	21
4	55
5	78
6	105
7	136
8	171
9	253
10	351
11	406
12	465
13	595
14	666
15	741
16	820
17	903
18	1081
19	1275
20	1378
21	1711
22	1830
23	1953
24	2211
25	2485
26	2628
27	2775
28	2926
29	3081
30	3403
31	3741
32	3916
33	4465
34	4656
35	5050
36	5253
37	5671
38	5886
39	6105
40	6328
41	7021
42	7503
43	7750
44	8001
45	8515
46	9045
47	9316
48	9591

[3, 10, 21, 55, 78, 105, 136, 171, 253, 351, 406, 465, 595, 666, 741, 820, 903, 1081, 1275, 1378, 1711, 1830, 1953, 2211, 2485, 2628, 2775, 2926, 3081, 3403, 3741, 3916, 4465, 4656, 5050, 5253, 5671, 5886, 6105, 6328, 7021, 7503, 7750, 8001, 8515, 9045, 9316, 9591]

cp's OEIS Frontend

A298856 Triangular numbers n for which A240542(n) = A240542(n-1).

Table of values

List of values