cp's OEIS Frontend

This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.

Showing 1-1 of 1 results.

A354783 If the binary expansion of A354757(n) is 1 d_1 d_2 ... d_k, then the binary expansion of a(n) is c_1 c_2 ... c_k, where c_i = 1 - d_i.

Original entry on oeis.org

0, 0, 1, 1, 3, 0, 4, 4, 12, 0, 3, 3, 19, 2, 34, 0, 64, 64, 76, 8, 136, 0, 256, 256, 768, 0, 17, 17, 1041, 16, 50, 32, 2080, 0, 4096, 4096, 12288, 0, 68, 68, 16452, 64, 200, 128, 32896, 0, 65536, 65536, 196608, 0, 768, 768, 262912, 512, 524800, 0, 1048576, 1048576, 1049601, 1024, 2098176, 0, 18, 18, 4194322, 16, 2096, 2048, 8390656, 0, 16777216
Offset: 1

Views

Author

N. J. A. Sloane, Jul 08 2022

Keywords

Comments

Has the same relation to A354757 as A354781 does to A354780.
The offset is 1, to avoid having to define a(0).

Examples

			A354757(5) = 12 = 1100_2, so a(5) = 11_2 = 3.
A354757(6) = 15 = 1111_2, so a(6) = 0.
A354757(7) = 27 = 11011_2, so a(7) = 100_2 = 4.
		

Crossrefs

See A354793 for Hamming weight of a(n).

Extensions

Added comment and examples. - N. J. A. Sloane, Aug 02 2022
Showing 1-1 of 1 results.