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.

A065760 Concatenation of increasing number of alternating digits in base 2, starting with 1.

Table of values

n a(n)
1 1
2 4
3 39
4 624
5 19999
6 1279936
7 163831935
8 41940975360
9 21473779384831
10 21989150090066944
11 45033779384457103359
12 184458360358736295358464
13 1511082888058767731576545279
14 24757582037954850514150117851136
15 811256448219704541647671061746057215

List of values

[1, 4, 39, 624, 19999, 1279936, 163831935, 41940975360, 21473779384831, 21989150090066944, 45033779384457103359, 184458360358736295358464, 1511082888058767731576545279, 24757582037954850514150117851136, 811256448219704541647671061746057215]