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.

A372967 Number of compositions of 2n into 2n nonnegative parts such that their xor-sum is zero.

Table of values

n a(n)
0 1
1 1
2 7
3 226
4 2059
5 20926
6 315646
7 4397212
8 66201971
9 999067510
10 15168583482
11 240202475668
12 3731763898510
13 57290627029676
14 887861389544668
15 13713341876387776
16 210889953761225667
17 3248614469788303782
18 50091681144815341810
19 772966100038376636332

List of values

[1, 1, 7, 226, 2059, 20926, 315646, 4397212, 66201971, 999067510, 15168583482, 240202475668, 3731763898510, 57290627029676, 887861389544668, 13713341876387776, 210889953761225667, 3248614469788303782, 50091681144815341810, 772966100038376636332]

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

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