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.

A204504 A204512(n)^2 = floor[A055872(n)/8]: Squares such that appending some digit in base 8 yields another square.

Table of values

n a(n)
1 0
2 0
3 0
4 1
5 4
6 36
7 144
8 1225
9 4900
10 41616
11 166464
12 1413721
13 5654884
14 48024900
15 192099600
16 1631432881
17 6525731524
18 55420693056
19 221682772224
20 1882672131025
21 7530688524100
22 63955431761796
23 255821727047184
24 2172602007770041
25 8690408031080164
26 73804512832419600

List of values

[0, 0, 0, 1, 4, 36, 144, 1225, 4900, 41616, 166464, 1413721, 5654884, 48024900, 192099600, 1631432881, 6525731524, 55420693056, 221682772224, 1882672131025, 7530688524100, 63955431761796, 255821727047184, 2172602007770041, 8690408031080164, 73804512832419600]

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

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