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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.

A291903 Sums of the fourth powers of the descent set statistics for permutations on n elements.

Table of values

n a(n)
0 1
1 1
2 2
3 34
4 1576
5 190216
6 46479536
7 21246061600
8 16505196258944
9 20569621110703360
10 39048520577674054912
11 108556407221350072075840
12 427386074980323385950161920
13 2317659324414032887611600999424
14 16904848426143946143993568391307264
15 162490636486997482412425606460112242944
16 2021898321663894965658036079204603050491904

List of values

[1, 1, 2, 34, 1576, 190216, 46479536, 21246061600, 16505196258944, 20569621110703360, 39048520577674054912, 108556407221350072075840, 427386074980323385950161920, 2317659324414032887611600999424, 16904848426143946143993568391307264, 162490636486997482412425606460112242944, 2021898321663894965658036079204603050491904]

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

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