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.

A204574 Numbers such that floor[a(n)^2/2] is a square (A001541), written in binary.

Table of values

n a(n)
1 0
2 1
3 11
4 10001
5 1100011
6 1001000001
7 110100100011
8 100110010010001
9 11011111001000011
10 10100010100100000001
11 1110110011011111000011
12 1010110010010010110010001
13 111110110111010100110100011
14 101101110011001101010001000001

List of values

[0, 1, 11, 10001, 1100011, 1001000001, 110100100011, 100110010010001, 11011111001000011, 10100010100100000001, 1110110011011111000011, 1010110010010010110010001, 111110110111010100110100011, 101101110011001101010001000001]

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

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