I wrote: > on 1 October 2002, from which date I have a complete list of 75546 > sequences, it was A065004. Oops. The first term, though it looked large, was only 100. My second choice in the nine-year-old database is 100996972469714247637786655587969840329509324689190041803603417758904341703348882159067229719 in A033290.