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Intersection of A005408 and A054683: A000035(a(n))*(1-A179081(a(n)))=1;
complement of A179085 with respect to A005408;
complement of A179082 with respect to A054683;
a(n) mod 2 = 1 and A007953(a(n)) mod 2 = 0.
R. Zumkeller, Table of n, a(n) for n = 1..1000
Index entries for Colombian or self numbers and related sequences
Sequence in context: A277268 A152200 A277694 * A124569 A260826 A049722
Adjacent sequences: A179081 A179082 A179083 * A179085 A179086 A179087
Reinhard Zumkeller, Jun 28 2010