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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.

A242798 Expansion of -x*d(log((1-x*(2/sqrt(3*x)) * sin((1/3) * arcsin(sqrt(27*x/4))))))/dx.

Table of values

n a(n)
0 0
1 1
2 3
3 13
4 67
5 376
6 2211
7 13378
8 82499
9 515659
10 3255628
11 20714354
12 132611491
13 853226921
14 5512508382
15 35739673513
16 232405291587
17 1515159860388
18 9900216370689
19 64816750480666
20 425097621975692
21 2792332673312356
22 18367642416256334
23 120972943783673953

List of values

[0, 1, 3, 13, 67, 376, 2211, 13378, 82499, 515659, 3255628, 20714354, 132611491, 853226921, 5512508382, 35739673513, 232405291587, 1515159860388, 9900216370689, 64816750480666, 425097621975692, 2792332673312356, 18367642416256334, 120972943783673953]

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

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