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.

A038846 4-fold convolution of A000302 (powers of 4); expansion of g.f. 1/(1-4*x)^4.

Table of values

n a(n)
0 1
1 16
2 160
3 1280
4 8960
5 57344
6 344064
7 1966080
8 10813440
9 57671680
10 299892736
11 1526726656
12 7633633280
13 37580963840
14 182536110080
15 876173328384
16 4161823309824
17 19585050869760
18 91396904058880
19 423311976693760
20 1947235092791296
21 8901646138474496
22 40462027902156800

List of values

[1, 16, 160, 1280, 8960, 57344, 344064, 1966080, 10813440, 57671680, 299892736, 1526726656, 7633633280, 37580963840, 182536110080, 876173328384, 4161823309824, 19585050869760, 91396904058880, 423311976693760, 1947235092791296, 8901646138474496, 40462027902156800]

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

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