The OEIS Foundation is supported by donations from users of the OEIS and by a grant from the Simons Foundation.

 Hints (Greetings from The On-Line Encyclopedia of Integer Sequences!)
 A335134 Fixed points of A335133. 1
 0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 28, 29, 30, 31, 32, 33, 36, 37, 58, 59, 62, 63, 64, 65, 66, 67, 72, 73, 74, 75, 116, 117, 118, 119, 124, 125, 126, 127, 128, 129, 134, 135, 146, 147, 148, 149, 234, 235, 236, 237, 248, 249, 254, 255, 256 (list; graph; refs; listen; history; text; internal format)
 OFFSET 1,3 COMMENTS The EQ-triangles generated from the binary expansion of the terms of this sequence have reflection symmetry through axis U-U: .       U .          .___________ .           \ .       / .            \   .   / .             \     . .              \   /   . .               \ /       U .                v LINKS Rémy Sigrist, Illustration of initial terms EXAMPLE A335133(28) = 28, so 28 belongs to this sequence. PROG (PARI) is(n) = {     my (b=binary(n), v=0);     forstep (x=#b-1, 0, -1,         if (b[1], v+=2^x);         b=vector(#b-1, k, b[k]==b[k+1])     );     v==n } CROSSREFS Cf. A335133. Sequence in context: A032987 A174876 A092597 * A334918 A125506 A079334 Adjacent sequences:  A335131 A335132 A335133 * A335135 A335136 A335137 KEYWORD nonn,base AUTHOR Rémy Sigrist, May 24 2020 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.

Last modified August 14 06:43 EDT 2020. Contains 336477 sequences. (Running on oeis4.)