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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.

A329533 First differences of A051924, or second differences of Central binomial coefficients A000984.

Table of values

n a(n)
0 3
1 10
2 36
3 132
4 490
5 1836
6 6930
7 26312
8 100386
9 384540
10 1478048
11 5697720
12 22019556
13 85284920
14 330961950
15 1286562960
16 5009003250
17 19528599420
18 76231136520
19 297910080600
20 1165429743660
21 4563490674600
22 17884841191620
23 70148829799152
24 275344923755700
25 1081512966189656
26 4250730282412320

List of values

[3, 10, 36, 132, 490, 1836, 6930, 26312, 100386, 384540, 1478048, 5697720, 22019556, 85284920, 330961950, 1286562960, 5009003250, 19528599420, 76231136520, 297910080600, 1165429743660, 4563490674600, 17884841191620, 70148829799152, 275344923755700, 1081512966189656, 4250730282412320]

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

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