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See A133650 for definition of early bird numbers of order n.
a(28) > 6*10^7. [From Donovan Johnson, Nov 06 2010]
Table of n, a(n) for n=1..27.
a(3) = A133651(1) = 212.
Cf. A116700 (early bird numbers), A133650 (early bird numbers of order 2), A133651 (early bird numbers of order 3).
Sequence in context: A238755 A159449 A090230 * A004058 A052178 A123902
Adjacent sequences: A133649 A133650 A133651 * A133653 A133654 A133655
Klaus Brockhaus, Sep 19 2007
a(16)-a(27) from Donovan Johnson, Nov 06 2010