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.

A326274 E.g.f.: Sum_{n>=0} ((1+x)^n - 1)^n * 4^n / n!.

Table of values

n a(n)
0 1
1 4
2 64
3 1920
4 86464
5 5304320
6 418131456
7 40727959552
8 4765747597312
9 655794545577984
10 104360850604687360
11 18948720298674028544
12 3882059495694122090496
13 889053986706845142876160
14 225799026538694916941283328
15 63163063632830911303738982400
16 19344290761718462120859544846336
17 6452149866509553556278434299117568
18 2332867461867950308492384248149311488
19 910538103145382496893587688740637114368
20 382208425560563535419125500691963382333440

List of values

[1, 4, 64, 1920, 86464, 5304320, 418131456, 40727959552, 4765747597312, 655794545577984, 104360850604687360, 18948720298674028544, 3882059495694122090496, 889053986706845142876160, 225799026538694916941283328, 63163063632830911303738982400, 19344290761718462120859544846336, 6452149866509553556278434299117568, 2332867461867950308492384248149311488, 910538103145382496893587688740637114368, 382208425560563535419125500691963382333440]

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

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