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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.

A381378 E.g.f. A(x) satisfies A(x) = 1/( 1 - x * cos(x * A(x)^2) ).

Table of values

n a(n)
0 1
1 1
2 2
3 3
4 -48
5 -1135
6 -18240
7 -231637
8 -1356544
9 53849889
10 3026119680
11 100808786419
12 2429052865536
13 26284690243825
14 -1539261873164288
15 -140633348417624805
16 -7196339681250508800
17 -258335768147494234303
18 -4225401456668904259584
19 307227604973975435785571

List of values

[1, 1, 2, 3, -48, -1135, -18240, -231637, -1356544, 53849889, 3026119680, 100808786419, 2429052865536, 26284690243825, -1539261873164288, -140633348417624805, -7196339681250508800, -258335768147494234303, -4225401456668904259584, 307227604973975435785571]

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

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