A124199 - cp's OEIS frontend

A124199 Primes of the form k(k+1)/2-2 (i.e., two less than triangular numbers).

n	a(n)
1	13
2	19
3	43
4	53
5	89
6	103
7	151
8	229
9	251
10	349
11	433
12	463
13	593
14	701
15	739
16	859
17	1033
18	1223
19	1429
20	1483
21	1709
22	1889
23	1951
24	2143
25	2699
26	3001
27	3079
28	3319
29	3739
30	4003
31	4093
32	4463
33	4751
34	5563
35	5669
36	6553
37	7019
38	7873
39	8513
40	9043
41	10009
42	10151
43	10729
44	11173
45	11779

[13, 19, 43, 53, 89, 103, 151, 229, 251, 349, 433, 463, 593, 701, 739, 859, 1033, 1223, 1429, 1483, 1709, 1889, 1951, 2143, 2699, 3001, 3079, 3319, 3739, 4003, 4093, 4463, 4751, 5563, 5669, 6553, 7019, 7873, 8513, 9043, 10009, 10151, 10729, 11173, 11779]

cp's OEIS Frontend

A124199 Primes of the form k(k+1)/2-2 (i.e., two less than triangular numbers).

Table of values

List of values