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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.

A300048 G.f. A(x) satisfies A(x)^3 = 1 + x*A(x) + x*A(x)^2 + x*A(x)^6.

Table of values

n a(n)
0 1
1 1
2 2
3 7
4 29
5 131
6 627
7 3124
8 16032
9 84162
10 449828
11 2439550
12 13391105
13 74256824
14 415357737
15 2340775363
16 13278009018
17 75753246286
18 434392031856
19 2502289328542
20 14473290097526
21 84023214062635
22 489424396591995
23 2859551104564120
24 16754209625090980
25 98415932763515679
26 579475837597933632
27 3419452319373566239
28 20219028961691299994

List of values

[1, 1, 2, 7, 29, 131, 627, 3124, 16032, 84162, 449828, 2439550, 13391105, 74256824, 415357737, 2340775363, 13278009018, 75753246286, 434392031856, 2502289328542, 14473290097526, 84023214062635, 489424396591995, 2859551104564120, 16754209625090980, 98415932763515679, 579475837597933632, 3419452319373566239, 20219028961691299994]

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

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