The October issue of the Notices of the Amer. Math. Soc. has an article about the OEIS.
Table of n, a(n) for n=1..23.
This is the complement of A051234.
Except for the number 1 this sequence contains A003277.
Sequence in context: A298536 A072697 A102553 * A304713 A319327 A319319
Adjacent sequences: A069158 A069159 A069160 * A069162 A069163 A069164
Sharon Sela (sharonsela(AT)hotmail.com), Apr 09 2002