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.

A192658 Binomial convolution of the Floor-Sqrt transform of central binomial coefficients.

Table of values

n a(n)
0 1
1 2
2 6
3 20
4 72
5 270
6 1040
7 4036
8 15714
9 61226
10 238778
11 930716
12 3628520
13 14143922
14 55134174
15 214941488
16 838158510
17 3269630046
18 12761106790
19 49834920864
20 194743761948
21 761543265544
22 2980128724806
23 11670402459630
24 45734346816026
25 179348093549914
26 703781965002650

List of values

[1, 2, 6, 20, 72, 270, 1040, 4036, 15714, 61226, 238778, 930716, 3628520, 14143922, 55134174, 214941488, 838158510, 3269630046, 12761106790, 49834920864, 194743761948, 761543265544, 2980128724806, 11670402459630, 45734346816026, 179348093549914, 703781965002650]

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

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