0,2
Max Alekseyev (maxal(AT)cs.ucsd.edu) showed that this sequence is finite; proof completed by several people to show that the list is complete.
13 is not in the set because 13 = 4 + 9. 15 = 6 + 9 does not prevent 15 from being in the set because gcd(6,9) = 3.
Adjacent sequences: A096073 A096074 A096075 this_sequence A096077 A096078 A096079
Sequence in context: A033620 A033637 A051038 this_sequence A108864 A055722 A028830
nonn,fini,full
Frank Adams-Watters (FrankTAW(AT)Netscape.net), Jul 22 2004
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