login
The OEIS is supported by the many generous donors to the OEIS Foundation.

 

Logo
Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A192607 Nonludic numbers: complement of A003309. 24
4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 19, 20, 21, 22, 24, 26, 27, 28, 30, 31, 32, 33, 34, 35, 36, 38, 39, 40, 42, 44, 45, 46, 48, 49, 50, 51, 52, 54, 55, 56, 57, 58, 59, 60, 62, 63, 64, 65, 66, 68, 69, 70, 72, 73, 74, 75, 76, 78, 79, 80, 81, 82, 84, 85, 86, 87 (list; graph; refs; listen; history; text; internal format)
OFFSET
1,1
LINKS
FORMULA
A192490(a(n)) = 0.
MATHEMATICA
a3309[nmax_] := a3309[nmax] = Module[{t = Range[2, nmax], k, r = {1}}, While[Length[t] > 0, k = First[t]; AppendTo[r, k]; t = Drop[t, {1, -1, k}]]; r];
nmax = 1000;
Complement[Range[nmax], a3309[nmax]] (* Jean-François Alcover, Dec 10 2021, after Ray Chandler in A003309 *)
PROG
(Haskell)
a192607 n = a192607_list !! (n-1)
a192607_list = filter ((== 0) . a192490) [1..]
CROSSREFS
Cf. A192505 (not ludic but prime), A192506 (neither ludic nor prime).
Sequence in context: A336371 A167376 A133576 * A088224 A002808 A018252
KEYWORD
nonn
AUTHOR
Reinhard Zumkeller, Jul 05 2011
STATUS
approved

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

License Agreements, Terms of Use, Privacy Policy. .

Last modified March 28 10:55 EDT 2024. Contains 371241 sequences. (Running on oeis4.)