1,2
Conjecture: No entry is zero.
Next term (A002473(n) = 21) is either 0 or > 10^100. - David Wasserman (wasserma(AT)spawar.navy.mil), Jan 27 2005
20 is a member of A002473 and the corresponding term is 45 which is also a member of A002473.
Cf. A002473, A068129.
Cf. A068189.
Sequence in context: A100753 A132416 A128606 * A131571 A179988 A179979
Adjacent sequences: A085120 A085121 A085122 * A085124 A085125 A085126
base,nonn
Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Jul 06 2003