A155187 - cp's OEIS frontend

A155187 Prime numbers q of primitive Pythagorean triangles such that perimeters are averages of twin prime pairs, p+1=q(prime), a=q^2-p^2, c=q^2+p^2, b=2pq, ar=a*b/2; s=a+b+c, s-+1 are primes.

n	a(n)
1	2
2	3
3	11
4	71
5	227
6	491
7	683
8	1103
9	1187
10	2591
11	3923
12	4271
13	4931
14	6737
15	7193
16	7703
17	8093
18	8753
19	8963
20	9173
21	9377
22	10271
23	13043
24	13451
25	13997
26	15233
27	15443
28	15803
29	15887
30	17957
31	18701
32	19961
33	20681
34	21701
35	22031
36	22073
37	24371
38	24473
39	24683

[2, 3, 11, 71, 227, 491, 683, 1103, 1187, 2591, 3923, 4271, 4931, 6737, 7193, 7703, 8093, 8753, 8963, 9173, 9377, 10271, 13043, 13451, 13997, 15233, 15443, 15803, 15887, 17957, 18701, 19961, 20681, 21701, 22031, 22073, 24371, 24473, 24683]

cp's OEIS Frontend

A155187 Prime numbers q of primitive Pythagorean triangles such that perimeters are averages of twin prime pairs, p+1=q(prime), a=q^2-p^2, c=q^2+p^2, b=2pq, ar=a*b/2; s=a+b+c, s-+1 are primes.

Table of values

List of values

cp's OEIS Frontend

A155187 Prime numbers q of primitive Pythagorean triangles such that perimeters are averages of twin prime pairs, p+1=q(prime), a=q^2-p^2, c=q^2+p^2, b=2*p*q, ar=a*b/2; s=a+b+c, s-+1 are primes.

Table of values

List of values

A155187 Prime numbers q of primitive Pythagorean triangles such that perimeters are averages of twin prime pairs, p+1=q(prime), a=q^2-p^2, c=q^2+p^2, b=2pq, ar=a*b/2; s=a+b+c, s-+1 are primes.