A108109 Intersection of A108027, A108028, A108029 and A108030.

0, 260, 1770, 3914, 10074, 11390, 12734, 14454, 17024, 20580, 21834, 21854, 25404, 29784, 30470, 31800, 33230, 37694, 39530, 41490, 45164, 49134, 54594, 57834, 60894, 66480, 68174, 68550, 71994, 72024, 72500, 78834, 80760, 82760, 84720

Offset

1,2

Links

Daniel Starodubtsev, Table of n, a(n) for n = 1..10000

Mathematica

s={}; Do[If[Union[PrimeQ/@{151*n+149, 149*n+151, 137*n+139, 139*n+137}]=={True}, s=Append[s, n]], {n, 100000}]; s

Crossrefs

Cf. A108027, A108028, A108029, A108030.

Sequence in context: A037219 A290040 A061224 * A235905 A287923 A238029

Adjacent sequences: A108106 A108107 A108108 * A108110 A108111 A108112

Keyword

nonn

Author

Zak Seidov, Jun 03 2005

Extensions

a(1)=0 inserted by Daniel Starodubtsev, Feb 09 2020

Status

approved