1,1

The largest term is the prime 99999999988888888777777766666655555444223343.

Giovanni Resta, Table of n, a(n) for n = 1..10000

In the prime 3313 the digit "1" appears exactly one time and the digit "3" appears exactly three times.

Sequence in context: A181559 A180679 A251900 * A078963 A236643 A175277

Adjacent sequences: A078345 A078346 A078347 * A078349 A078350 A078351

base,easy,fini,nonn

Carlos Rivera, Nov 22 2002

approved