A091805 Smallest prime beginning with the concatenation of the next n numbers.

11, 23, 4561, 789101, 111213141569, 16171819202153, 222324252627289, 293031323334353623, 37383940414243444531, 4647484950515253545539, 565758596061626364656639, 676869707172737475767778167, 7980818283848586878889909173, 929394959697989910010110210310410511, 10610710810911011111211311411511611711811912011

Offset

1,1

Links

Table of n, a(n) for n=1..15.

Crossrefs

Sequence in context: A045498 A159511 A156959 * A229057 A086710 A052428

Adjacent sequences: A091802 A091803 A091804 * A091806 A091807 A091808

Keyword

base,nonn

Author

Amarnath Murthy, Feb 21 2004

Extensions

More terms from Max Alekseyev, Feb 06 2010

Status

approved