0,8
Understanding this sequence is a famous unsolved problem.
a(n) = A000294(n) - A000293(n).
Sequence in context: A055341 A007326 A067332 this_sequence A136396 A006380 A095846
Adjacent sequences: A082532 A082533 A082534 this_sequence A082536 A082537 A082538
nonn
N. J. A. Sloane (njas(AT)research.att.com), based on a suggestion of John McKay, May 02 2003
a(24) corrected by Ralf Stephan, May 05 2003
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