Sets of three composites in bidirectional 'sum of prime factors' progression/retrogression.

A057874

Sets of three composites in bidirectional 'sum of prime factors' progression/retrogression.

Terms

a(0) =

a(1) =

a(2) =

a(3) =

a(4) =

a(5) =

a(6) =

a(7) =

a(8) =

External references

oeis: A057874