cp's OEIS Frontend

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.

A235345 E.g.f. satisfies: A'(x) = A(x)^4 / A(-x) with A(0) = 1.

Table of values

n a(n)
0 1
1 1
2 5
3 37
4 425
5 6025
6 108845
7 2276845
8 56211665
9 1553431825
10 48671578325
11 1671344339125
12 63487049154425
13 2605215049488025
14 116312045129808125
15 5551198271938496125
16 284832252600860446625
17 15499152225618045102625
18 898593034796320550409125
19 54905004222557008682573125

List of values

[1, 1, 5, 37, 425, 6025, 108845, 2276845, 56211665, 1553431825, 48671578325, 1671344339125, 63487049154425, 2605215049488025, 116312045129808125, 5551198271938496125, 284832252600860446625, 15499152225618045102625, 898593034796320550409125, 54905004222557008682573125]

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

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