A106171 - cp's OEIS frontend

A106171 A triangle with three consecutive primes as sides has an area that is a prime after rounding. The sequence gives the first of the three consecutive primes.

n	a(n)
1	5
2	11
3	23
4	59
5	71
6	89
7	211
8	239
9	269
10	349
11	389
12	419
13	431
14	467
15	479
16	521
17	571
18	577
19	647
20	863
21	983
22	1087
23	1213
24	1223
25	1733
26	1747
27	1759
28	1933
29	1949
30	1973
31	2131
32	2297
33	2411
34	2521
35	2659
36	2879
37	2909
38	2999
39	3011
40	3191
41	3203
42	3209
43	3391
44	3467
45	3469
46	3517
47	3559

[5, 11, 23, 59, 71, 89, 211, 239, 269, 349, 389, 419, 431, 467, 479, 521, 571, 577, 647, 863, 983, 1087, 1213, 1223, 1733, 1747, 1759, 1933, 1949, 1973, 2131, 2297, 2411, 2521, 2659, 2879, 2909, 2999, 3011, 3191, 3203, 3209, 3391, 3467, 3469, 3517, 3559]

cp's OEIS Frontend

A106171 A triangle with three consecutive primes as sides has an area that is a prime after rounding. The sequence gives the first of the three consecutive primes.

Table of values

List of values