A128277 - cp's OEIS frontend

A128277 a(n) is the n-th smallest integer m which is the product of 4 odd primes m=p1p2p3p4 such that d+2m/d are all primes for each d dividing 2*m.

n	a(n)
1	93081
2	449985
3	1523705
4	301921991
5	899343761
6	1581262341
7	7290929465
8	12102153569
9	25404516309
10	27482957831
11	38661868781
12	49656488021
13	240305617889
14	305000299185
15	341656377581
16	377737353491

[93081, 449985, 1523705, 301921991, 899343761, 1581262341, 7290929465, 12102153569, 25404516309, 27482957831, 38661868781, 49656488021, 240305617889, 305000299185, 341656377581, 377737353491]

cp's OEIS Frontend

A128277 a(n) is the n-th smallest integer m which is the product of 4 odd primes m=p1p2p3p4 such that d+2m/d are all primes for each d dividing 2*m.

Table of values

List of values

cp's OEIS Frontend

A128277 a(n) is the n-th smallest integer m which is the product of 4 odd primes m=p1*p2*p3*p4 such that d+2*m/d are all primes for each d dividing 2*m.

Table of values

List of values

A128277 a(n) is the n-th smallest integer m which is the product of 4 odd primes m=p1p2p3p4 such that d+2m/d are all primes for each d dividing 2*m.