A086941 a(n) = k where R(k+6) = 3.

24, 294, 2994, 29994, 299994, 2999994, 29999994, 299999994, 2999999994, 29999999994, 299999999994, 2999999999994, 29999999999994, 299999999999994, 2999999999999994, 29999999999999994, 299999999999999994

Offset

1,1

Comments

R(a(n)) = A086944(n).

Links

Vincenzo Librandi, Table of n, a(n) for n = 1..300

Formula

a(n) = 3*(10^n-2).

Mathematica

3(10^Range[20]-2) (* or  *) 10*Table[FromDigits[PadRight[{2}, n, 9]], {n, 20}]+4 (* Harvey P. Dale, Jul 25 2023 *)

Prog

(Magma) [3*(10^n-2): n in [1..20]]; // Vincenzo Librandi, Aug 22 2011

Crossrefs

Sequence in context: A282993 A295272 A369469 * A187028 A186966 A281134

Adjacent sequences: A086938 A086939 A086940 * A086942 A086943 A086944

Keyword

nonn,easy

Author

Ray Chandler, Jul 24 2003

Status

approved