A130890 - OEIS

A130890

Number of terms of A061681 having length = n in decimal representation.

4, 23, 281, 2825, 28287, 282890, 2828964, 28289682, 282896825

(list; graph; refs; listen; history; text; internal format)

OFFSET

1,1

COMMENTS

A055642(a(n)) = n; a(n) / A130901(n) --> 1.

LINKS

EXAMPLE

a(1)=#{1,2,4,8}=4;

a(2)=#{16,17,18,19,20,22,24,26,28,30,33,36,39,42,46,50,55,60,66,72,79,86,94}=23.

CROSSREFS

KEYWORD

nonn,base,more

AUTHOR

STATUS

approved