1,1

Table of n, a(n) for n=1..53.

The 10th regular prime is 29. The 10th irregular prime is 257. 257-29 = 228, the 10th entry in the table.

Sequence in context: A121707 A157352 A176255 * A048033 A242291 A078819

Adjacent sequences: A090874 A090875 A090876 * A090878 A090879 A090880

nonn

Cino Hilliard, Feb 13 2004

approved