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.

A179277 A(x) = C(x) * C(x^2) * C(x^4) * C(x^8) *...; C = Catalan, A000108.

Table of values

n a(n)
0 1
1 1
2 3
3 6
4 19
5 50
6 158
7 492
8 1635
9 5466
10 18794
11 65332
12 230414
13 820052
14 2945436
15 10654808
16 38795523
17 142045610
18 522694866
19 1931912036
20 7169014298
21 26698782108
22 99756713732
23 373839656616
24 1404795235438
25 5292114330180
26 19982497509316
27 75613566762440
28 286689890422780

List of values

[1, 1, 3, 6, 19, 50, 158, 492, 1635, 5466, 18794, 65332, 230414, 820052, 2945436, 10654808, 38795523, 142045610, 522694866, 1931912036, 7169014298, 26698782108, 99756713732, 373839656616, 1404795235438, 5292114330180, 19982497509316, 75613566762440, 286689890422780]

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

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