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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.

A074059 Dimension of the cohomology ring of the moduli space of n-pointed curves of genus 0 satisfying the associativity equations of physics (also known as the WDVV equations).

Table of values

n a(n)
1 1
2 1
3 2
4 7
5 34
6 213
7 1630
8 14747
9 153946
10 1821473
11 24087590
12 352080111
13 5636451794
14 98081813581
15 1843315388078
16 37209072076483
17 802906142007946
18 18443166021077145
19 449326835001457846
20 11572432709175470807
21 314160322966817351938
22 8965995574654847062469

List of values

[1, 1, 2, 7, 34, 213, 1630, 14747, 153946, 1821473, 24087590, 352080111, 5636451794, 98081813581, 1843315388078, 37209072076483, 802906142007946, 18443166021077145, 449326835001457846, 11572432709175470807, 314160322966817351938, 8965995574654847062469]

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

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