login
This site is supported by donations to The OEIS Foundation.

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A097601 Differences between A045918 and A047842. 2

%I

%S 0,0,0,0,0,0,0,0,0,0,99,0,0,0,0,0,0,0,0,0,198,99,0,0,0,0,0,0,0,0,297,

%T 198,99,0,0,0,0,0,0,0,396,297,198,99,0,0,0,0,0,0,495,396,297,198,99,0,

%U 0,0,0,0,594,495,396,297,198,99,0,0,0,0,693,594,495,396,297,198,99,0,0

%N Differences between A045918 and A047842.

%H G. C. Greubel, <a href="/A097601/b097601.txt">Table of n, a(n) for n = 0..10000</a>

%t LookAndSayA[n_]:= FromDigits@Flatten@IntegerDigits@Flatten[Through[ {Length, First}[#]] & /@ Split@IntegerDigits@n]; dc[n_]:= FromDigits@ Flatten@Select[Table[{DigitCount[n, 10, k], k}, {k, 0, 9}], #[[1]] > 0 &]; Table[LookAndSayA[n] - dc[n], {n, 0, 100}]

%Y Cf. A045918, A047842.

%K easy,sign,base

%O 0,11

%A _Odimar Fabeny_, Aug 29 2004

%E Terms a(31) onward added by _G. C. Greubel_, Jan 14 2019

Lookup | Welcome | Wiki | Register | Music | Plot 2 | Demos | Index | Browse | More | WebCam
Contribute new seq. or comment | Format | Style Sheet | Transforms | Superseeker | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified November 16 22:20 EST 2019. Contains 329208 sequences. (Running on oeis4.)