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

 

Logo


Hints
(Greetings from The On-Line Encyclopedia of Integer Sequences!)
A184905 n+floor(nr/s)+floor(nt/s), where r=2^(1/2), s=2^(1/3), t=2^(1/5). 3
2, 5, 8, 11, 14, 17, 20, 23, 27, 30, 33, 35, 38, 41, 44, 47, 51, 54, 57, 60, 63, 66, 68, 71, 75, 78, 81, 84, 87, 90, 93, 96, 100, 102, 105, 108, 111, 114, 117, 120, 124, 127, 130, 133, 136, 138, 141, 144, 148, 151, 154, 157, 160, 163, 166, 169, 171, 175, 178, 181, 184, 187, 190, 193, 196, 200, 203, 205, 208, 211, 214, 217, 220, 224, 227, 230, 233, 236, 239, 241, 244, 248, 251, 254, 257, 260, 263, 266, 269, 273, 275, 278, 281, 284, 287, 290, 293, 297, 300, 303, 306, 308, 311, 314, 317, 320, 324, 327, 330, 333, 336, 339, 342, 344, 348, 351, 354, 357, 360, 363 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,1

COMMENTS

The sequences A184904, A184905, A184906, partition the positive integers:

A184904: 1,4,7,10,13,15,18,21,24,26,...

A184905: 2,5,8,11,14,17,20,23,27,30,...

A184906: 3,6,9,12,16,19,22,25,29,32,...

See A184812.

LINKS

Table of n, a(n) for n=1..120.

MATHEMATICA

r=2^(1/2); s=2^(1/3); t=2^(1/5);

a[n_]:=n+Floor[n*s/r]+Floor[n*t/r];

b[n_]:=n+Floor[n*r/s]+Floor[n*t/s];

c[n_]:=n+Floor[n*r/t]+Floor[n*s/t];

Table[a[n], {n, 1, 120}]  (* A184904 *)

Table[b[n], {n, 1, 120}]  (* A184905 *)

Table[c[n], {n, 1, 120}]  (* A184906 *)

CROSSREFS

Cf. A184812, A184904, A184906.

Sequence in context: A165334 A189512 A190361 * A279773 A184910 A190006

Adjacent sequences:  A184902 A184903 A184904 * A184906 A184907 A184908

KEYWORD

nonn

AUTHOR

Clark Kimberling, Jan 25 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 | Recent
The OEIS Community | Maintained by The OEIS Foundation Inc.

License Agreements, Terms of Use, Privacy Policy. .

Last modified July 17 02:10 EDT 2019. Contains 325092 sequences. (Running on oeis4.)