A185668 Final prime of first member of A019518 that is divisible by 19^n.

271, 1831, 66947, 3746299, 66478091, 66478091, 57260418041

Offset

1,1

Links

Table of n, a(n) for n=1..7.

Example

The first concatenation of primes--23, 235, 2357, 235711, etc.--that is divisible by 19 concatenates through 271, and to get divisibility by 19^2 it's necessary to go through 1831.

Crossrefs

Cf. A183194, A185656, and those following.

Sequence in context: A157485 A038655 A108835 * A296038 A287232 A332978

Adjacent sequences: A185665 A185666 A185667 * A185669 A185670 A185671

Keyword

nonn,base,more

Author

James G. Merickel, Feb 01 2011

Status

approved