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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.

A276363 G.f. satisfies: A(x - 3*A(x)^2) = x + A(x)^2.

Table of values

n a(n)
1 1
2 4
3 56
4 1172
5 30248
6 892296
7 28951344
8 1010322900
9 37384819496
10 1452697058744
11 58872642043856
12 2475764515398568
13 107619880380347920
14 4821324372637921744
15 222077355203506939104
16 10497354682052048593332
17 508414637258604924680136
18 25197644191294099697736312
19 1276547957544912412461457680
20 66046883289153773427379134360
21 3487101507192780951408327918192

List of values

[1, 4, 56, 1172, 30248, 892296, 28951344, 1010322900, 37384819496, 1452697058744, 58872642043856, 2475764515398568, 107619880380347920, 4821324372637921744, 222077355203506939104, 10497354682052048593332, 508414637258604924680136, 25197644191294099697736312, 1276547957544912412461457680, 66046883289153773427379134360, 3487101507192780951408327918192]

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

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