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.

A123257 Multiplicative encoding of nim sum triangle: Product p(i+1)^BitXOR(n,i).

Table of values

n a(n)
1 2
2 6
3 100
4 9261000
5 103306896
6 16274381169926880
7 98925457477919384169000000
8 8078021071852487276180833326494285813758890000000
9 20381485968895666256747501044033896769440000

List of values

[2, 6, 100, 9261000, 103306896, 16274381169926880, 98925457477919384169000000, 8078021071852487276180833326494285813758890000000, 20381485968895666256747501044033896769440000]

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

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