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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.

A160446 Number of isomorphism classes of n-fold coverings of a connected graph with Betti number 4.

Table of values

n a(n)
1 1
2 16
3 251
4 14491
5 1730861
6 373486525
7 128038522439
8 65551419139302
9 47785761199635528
10 47785253957386480534
11 63601854214623350663136
12 109903723926415382728069729
13 241458148813601665905147070195

List of values

[1, 16, 251, 14491, 1730861, 373486525, 128038522439, 65551419139302, 47785761199635528, 47785253957386480534, 63601854214623350663136, 109903723926415382728069729, 241458148813601665905147070195]

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

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