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.

A272652 a(n) is the smallest even number which has n inverse images under the map x -> x + (binary weight of x).

Table of values

n a(n)
1 0
2 14
3 134
4 4102
5 87112285931760246646623899502532662132742
6 1852673427797059126777135760139006525652319754650249024631321344126610074239106

List of values

[0, 14, 134, 4102, 87112285931760246646623899502532662132742, 1852673427797059126777135760139006525652319754650249024631321344126610074239106]

Started in 1964 by Neil J. A. Sloane | Maintained by The OEIS Foundation Inc.

Content is available under The OEIS End-User License Agreement.