A133490 Smallest number at distance 2n from nearest prime (variant 3).

2, 0, 23, 53, 211, 211, 211, 1341, 1343, 2179, 3967, 15705, 16033, 19635, 24281, 24281, 31429, 31431, 31433, 38501, 38501, 58831, 203713, 206699, 206699, 370311, 370313, 370315, 370317, 1272749, 1272749, 1272749, 1357265, 1357267, 2010801

Offset: 0

Author

R. J. Mathar, Nov 30 2007

Keywords

• nonn

Comments

Let f(m) be the distance to the nearest prime as defined in A051700(m). Then a(n) = min { m: f(m)>= 2n}. The variants of a different definition of "distance" or demanding equality, f(m)=2n, are in A132860 and A051728.