A095869 - cp's OEIS frontend

A095869 Triangular numbers whose digit permutations yield no further triangular numbers.

n	a(n)
1	1
2	3
3	6
4	15
5	21
6	28
7	36
8	45
9	55
10	66
11	78
12	91
13	136
14	171
15	231
16	276
17	378
18	406
19	435
20	465
21	528
22	561
23	595
24	666
25	703
26	741
27	861
28	903
29	990
30	1081
31	1128
32	1176
33	1225
34	1275
35	1326
36	1431
37	1540
38	1596
39	1653
40	1711
41	1770
42	1953
43	2016
44	2211
45	2278
46	2346
47	2485
48	2556
49	2628
50	2775

[1, 3, 6, 15, 21, 28, 36, 45, 55, 66, 78, 91, 136, 171, 231, 276, 378, 406, 435, 465, 528, 561, 595, 666, 703, 741, 861, 903, 990, 1081, 1128, 1176, 1225, 1275, 1326, 1431, 1540, 1596, 1653, 1711, 1770, 1953, 2016, 2211, 2278, 2346, 2485, 2556, 2628, 2775]

cp's OEIS Frontend

A095869 Triangular numbers whose digit permutations yield no further triangular numbers.

Table of values

List of values