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.

A256275 Decimal equivalent of the binary string generated by the negation of the n X n identity matrix.

Table of values

n a(n)
1 0
2 6
3 238
4 31710
5 16510910
6 34089189246
7 280371153272574
8 9205322385119247870
9 1207744073945406663293950
10 633515663914742881158342637566
11 1328903397983747395279166325955489790
12 11149011303623843458013522930838119932485630
13 374121581799746201009538413109130562019709006364670

List of values

[0, 6, 238, 31710, 16510910, 34089189246, 280371153272574, 9205322385119247870, 1207744073945406663293950, 633515663914742881158342637566, 1328903397983747395279166325955489790, 11149011303623843458013522930838119932485630, 374121581799746201009538413109130562019709006364670]

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

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