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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.

A292341 Number of unrooted loops of length 2n on the square lattice that have winding number +1 around a fixed off-lattice point.

Table of values

n a(n)
2 1
3 16
4 232
5 3328
6 47957
7 696304
8 10187288
9 150087168
10 2224889247
11 33160970672
12 496608054904
13 7468314975488
14 112731489535747
15 1707278435651920
16 25932766975385096
17 394956591009678336
18 6029683178394959854
19 92254556123206383072

List of values

[1, 16, 232, 3328, 47957, 696304, 10187288, 150087168, 2224889247, 33160970672, 496608054904, 7468314975488, 112731489535747, 1707278435651920, 25932766975385096, 394956591009678336, 6029683178394959854, 92254556123206383072]

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

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