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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.

A277310 G.f. satisfies: A(x - 4*A(x)^2) = x - 3*A(x)^2.

Table of values

n a(n)
1 1
2 1
3 10
4 141
5 2422
6 47562
7 1031764
8 24214405
9 606444990
10 16055089470
11 446238074892
12 12955112773554
13 391332183548956
14 12261884937532340
15 397576302315045800
16 13313017677172350965
17 459635990935574444942
18 16339309997761322057206
19 597340515437542895494748
20 22435278085988347895795526
21 864900964565994975048855444
22 34195693888939483596581262668
23 1385553440866978431053220575128

List of values

[1, 1, 10, 141, 2422, 47562, 1031764, 24214405, 606444990, 16055089470, 446238074892, 12955112773554, 391332183548956, 12261884937532340, 397576302315045800, 13313017677172350965, 459635990935574444942, 16339309997761322057206, 597340515437542895494748, 22435278085988347895795526, 864900964565994975048855444, 34195693888939483596581262668, 1385553440866978431053220575128]

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

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