A078256 - cp's OEIS frontend

A078256 Triangular numbers in which frequency of occurrence of every digit is same.

n	a(n)
1	0
2	1
3	3
4	6
5	10
6	15
7	21
8	28
9	36
10	45
11	55
12	66
13	78
14	91
15	105
16	120
17	136
18	153
19	190
20	210
21	231
22	253
23	276
24	325
25	351
26	378
27	406
28	435
29	465
30	496
31	528
32	561
33	630
34	666
35	703
36	741
37	780
38	820
39	861
40	903
41	946
42	1035
43	1275
44	1326
45	1378
46	1485
47	1540
48	1596
49	1653
50	1830
51	1953
52	2016
53	2145

[0, 1, 3, 6, 10, 15, 21, 28, 36, 45, 55, 66, 78, 91, 105, 120, 136, 153, 190, 210, 231, 253, 276, 325, 351, 378, 406, 435, 465, 496, 528, 561, 630, 666, 703, 741, 780, 820, 861, 903, 946, 1035, 1275, 1326, 1378, 1485, 1540, 1596, 1653, 1830, 1953, 2016, 2145]

cp's OEIS Frontend

A078256 Triangular numbers in which frequency of occurrence of every digit is same.

Table of values

List of values