0,2
Next term is 144 digits long.
Table of n, a(n) for n=0..5.
Cf. A048563.
Sequence in context: A220549 A210904 A306990 * A139971 A305095 A128110
Adjacent sequences: A048561 A048562 A048563 * A048565 A048566 A048567
nonn,base
Patrick De Geest, May 15 1999
approved