1,1

Table of n, a(n) for n=1..69.

Eric Weisstein's World of Mathematics, Repdigit

n=11: 121=11*11 in binary = '1111001', but in ternary = '11111',

therefore a(11)=3;

n=93: 1023=11*93 in binary = '1111111111', therefore a(93)=2.

Cf. A008593.

Sequence in context: A070565 A169932 A245403 * A316650 A216875 A166710

Adjacent sequences: A091834 A091835 A091836 * A091838 A091839 A091840

nonn,base

Reinhard Zumkeller, Mar 10 2004

approved