A226863 - cp's OEIS frontend

A226863 Triangular numbers not divisible by lesser triangular numbers > 1.

n	a(n)
1	3
2	10
3	28
4	55
5	91
6	136
7	253
8	325
9	406
10	496
11	595
12	703
13	946
14	1081
15	1225
16	1378
17	1711
18	1891
19	2278
20	2485
21	2701
22	2926
23	3403
24	3655
25	3916
26	4465
27	4753
28	5356
29	5671
30	7021
31	7381
32	8128
33	8515
34	8911
35	9316
36	10153
37	10585
38	11026
39	11476
40	12403
41	13366
42	13861
43	14365
44	14878
45	15931

[3, 10, 28, 55, 91, 136, 253, 325, 406, 496, 595, 703, 946, 1081, 1225, 1378, 1711, 1891, 2278, 2485, 2701, 2926, 3403, 3655, 3916, 4465, 4753, 5356, 5671, 7021, 7381, 8128, 8515, 8911, 9316, 10153, 10585, 11026, 11476, 12403, 13366, 13861, 14365, 14878, 15931]

cp's OEIS Frontend

A226863 Triangular numbers not divisible by lesser triangular numbers > 1.

Table of values

List of values