A061748 a(0) = 1; a(n) is obtained by incrementing each digit of a(n-1) by 8.

1, 9, 17, 915, 17913, 91517911, 179139151799, 91517911179139151717, 1791391517999151791117913915915, 91517911179139151717179139151799915179111791317913

Offset: 0

Author

Amarnath Murthy, May 08 2001

Keywords

• base
• nonn

Comments

In A061511-A061522, A061746-A061750 when the incremented digit exceeds 9 it is written as a 2-digit string. So 9+1 becomes the 2-digit string 10, etc.

Programs

Mathematica

NestList[FromDigits[Flatten[IntegerDigits/@(IntegerDigits[#]+8)]]&,1,10] (* Harvey P. Dale, Aug 20 2012 *)

Extensions

More terms from Larry Reeves (larryr(AT)acm.org), May 11 2001