1,1
Table of n, a(n) for n=1..4.
Cf. A051635, A054800-A054840.
Sequence in context: A054838 A054839 A190928 * A210058 A154091 A035920
Adjacent sequences: A054837 A054838 A054839 * A054841 A054842 A054843
nonn
Henry Bottomley, Apr 10 2000
approved