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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.

A348879 G.f. A(x) satisfies: A(x) = 1 / (1 - x - x^2 * A(3*x)).

Table of values

n a(n)
0 1
1 1
2 2
3 6
4 29
5 221
6 2815
7 59607
8 2175115
9 134785987
10 14543011028
11 2682224473296
12 864129873439979
13 476879023670530355
14 460188677448639450646
15 761220053428592181980874
16 2202591080616789155249254723
17 10927081698418028875550581480027
18 94836180093445711611212497662570806

List of values

[1, 1, 2, 6, 29, 221, 2815, 59607, 2175115, 134785987, 14543011028, 2682224473296, 864129873439979, 476879023670530355, 460188677448639450646, 761220053428592181980874, 2202591080616789155249254723, 10927081698418028875550581480027, 94836180093445711611212497662570806]

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

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