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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.

A291897 Numerator of E(2*n-1,n), where E(n,x) is the Euler polynomial.

Table of values

n a(n)
1 1
2 9
3 125
4 32977
5 971919
6 358472059
7 47622059953
8 137818710619425
9 8141400285401267
10 9740358918723188381
11 3597069206174040366021
12 12859671622917809034800123
13 3419734700063005545155284375
14 8538628250545609672426471056711
15 6181704419438256867205044161777369

List of values

[1, 9, 125, 32977, 971919, 358472059, 47622059953, 137818710619425, 8141400285401267, 9740358918723188381, 3597069206174040366021, 12859671622917809034800123, 3419734700063005545155284375, 8538628250545609672426471056711, 6181704419438256867205044161777369]

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

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