0,3
Next term '3301...7801' has 690 digits.
a(n) = A000045(A038546(n))
Cf. A000045, A038546, A000350, A050816.
Sequence in context: A111727 A115738 A115763 * A094467 A091511 A177164
Adjacent sequences: A051997 A051998 A051999 * A052001 A052002 A052003
nonn,base
Patrick De Geest (pdg(AT)worldofnumbers.com), Oct 15 1999.